Answer:
In order to find equivalent ratios, we would need to measure the length of the various bones in each species and then divide the length of one bone by the length of another bone. This will give us the ratio of the two bones, and if this ratio is the same in different species, it would indicate a proportional relationship.
Explanation:
For example, if in species A, the length of the upper arm is 8 inches and the length of the lower arm is 10 inches, the ratio of the upper arm to the lower arm would be 8/10 = 4/5. If in species B, the length of the upper arm is 12 inches and the length of the lower arm is 15 inches, the ratio of the upper arm to the lower arm would be 12/15 = 4/5. Since both species have the same ratio, we can conclude that the upper arm and lower arm are proportional in both species.
Similarly, you could compare the length of the fingers to the length of the metacarpals to find if there is a proportional relationship in different species.
when an infant is born with gene mutations in his cells, the nurse explains to the parents that accidental errors may be a result of: select all that apply.
The nurse may explain to the parents that accidental errors leading to gene mutations can be the result of random errors during DNA replication, environmental factors, or spontaneous mutations. Inherited mutations can also be a cause if present in one or both parents.
As per the question given,
Gene mutations in a newborn infant's cells can occur as a result of various factors, including:
Random errors during DNA replication: When cells divide, they must copy their DNA so that each daughter cell has a complete set of genetic information. However, mistakes can occur during this process, leading to mutations in the DNA sequence.Environmental factors: Exposure to certain environmental factors, such as radiation or certain chemicals, can increase the risk of gene mutations.Inherited mutations: Mutations can be passed down from parents to their children through the germ cells (sperm and eggs).Spontaneous mutations: Sometimes, mutations can occur without any apparent cause or trigger. These are known as spontaneous mutations.For such more questions on Gene mutations
https://brainly.com/question/14438201
#SPJ4
How does a spreading center ridge like the East Pacific Rise explain the existence of the Marianas Trench?
The existence of the Marianas Trench and the spreading center ridge of the East Pacific Rise are two different expressions of plate tectonic activity, with the Marianas Trench being a site of subduction and the East Pacific Rise being a site of sea-floor spreading.
What is the Marianas Trench?A spreading center ridge, such as the East Pacific Rise, is a place where magma rises from the mantle and pushes the Earth's crust apart. The magma solidifies to form new oceanic crust, which spreads away from the ridge in opposite directions. Over time, this process creates new oceanic crust and increases the size of the ocean basin.
The presence of a spreading center ridge, like the East Pacific Rise, and the existence of the Marianas Trench are related through plate tectonics. The plate tectonic theory explains that the Earth's crust is divided into a number of large, moving plates that interact with each other at plate boundaries. At the boundary between the Pacific Plate and the Mariana Plate, the Pacific Plate is being subducted beneath the Mariana Plate, forming the Marianas Trench. On the other side of the Mariana Plate, the East Pacific Rise is spreading new oceanic crust and increasing the size of the Pacific Ocean.
Learn more about Marianas Trench:https://brainly.com/question/28397685
#SPJ1
heat is capable of causing a change in the 3-d shape of a protein. when this occurs, we describe the change as:
A protein's 3-D shape can be altered by heat. We refer to that as "denaturation" when it happens.
A biological process called denaturation changes the molecular makeup of proteins. To achieve denaturation, many of the weak connections or links that give proteins their highly organized structure in their initial (natural) state must be broken. The majority of denatured proteins are insoluble and have a looser, more erratic structure. Denaturation can be caused by a variety of factors, including heating, contact with alkalis, acids, urea, or detergents, as well as strong shaking. When the denaturing agent is withdrawn and the conditions that favor the native form are once again available, some proteins can reassemble into their original structure. Blood saline Some of the proteins that can undergo this renaturation process include albumin, ribonuclease, and hemoglobin. One of many proteins that have undergone permanent denature is egg white. Biological activity is lost during denaturation, which is one of its frequent negative impacts.
The proper question is:
Heat is capable of causing a change in the 3-d shape of a protein. when this occurs, we describe the change as __________.
To learn more about denaturation please click on the given link: https://brainly.com/question/1749392
#SPJ4
What is the definition of Active transport?
Active transport entails the use of energy to transfer molecules across such a cell membrane from one area with a low concentration to another.
What are active and passive modes of transport?With the use of energies in the form of ATP, active transport transports atoms and ions from a lower concentration to a higher concentration. In contrast hand, passively transport does not require any energy to move molecules or ions from one concentration to another.
What is Toppr active transport?Moving molecules all over a cell membrane against their gradient of concentration, from a low to a high concentration, is known as active transport.
To know more about Active transport visit :
https://brainly.com/question/29759743
#SPJ4
all five sensory systems send information to the brain through the cranial nerves, but one sensory system sends information to the brain through the spinal nerves as well. which of our sensory systems can also send information to the brain through the spinal nerves?
Touch sensation can also send information to the brain through the spinal nerves.
PathwayThe somatosensory and autonomic nervous systems make up the peripheral nervous system. Spinal nerves are a part of the sensory pathway of the somatosensory system, which sends data about the external environment to the spinal cord.The lemniscal pathway is the pathway that controls proprioception and touch. The initial axon in this pathway travels along the spinal nerve's dorsal root before ascending the spinal cord's dorsal column.The dorsal column pathway, which transmits information about fine touch, vibration, proprioception, and two-point discrimination, and the spinothalamic or anterolateral pathway, which transmits information about rough touch, pain, and temperature, are the two main sensory pathways.For more information on touch sensation kindly visit to
https://brainly.com/question/28260887
#SPJ4
Why a temperature between 0 c and 35 c is still important
Although photosynthesis can occur in the presence of adequate light and water, temperature also plays a critical role in the process.
In general, most plants and algae perform photosynthesis most efficiently within a narrow temperature range, typically between 0°C and 35°C, depending on the species.
At temperatures below freezing, the water in the plant cells can freeze and cause the cell walls to rupture, which can damage the chloroplasts and other cellular components necessary for photosynthesis. Extremely high temperatures can also be detrimental, as they can cause the enzymes involved in photosynthesis to denature and lose their activity, reducing the efficiency of the process.
Furthermore, photosynthesis involves a number of enzymatic reactions that are temperature-dependent. Many of these enzymes are optimized to work within a specific temperature range, and the efficiency of the photosynthetic process is highest within this range. At temperatures outside this optimal range, the enzymes may not function as efficiently, which can slow down or reduce the rate of photosynthesis.
Therefore, maintaining a temperature between 0°C and 35°C is important to ensure optimal photosynthetic efficiency and plant growth.
The complete question is:-
assuming there is enough light and water for photosynthesis to occur, explain why a temperature between 0°c and 35°c is still important.
To learn more about temperature, refer:-
https://brainly.com/question/12035620
#SPJ4
traits that are modified from the ancestral condition and can therefore be diagnostic of particular evolutionary relationships are called traits.
Traits that are modified from the ancestral condition and can therefore be diagnostic of particular evolutionary relationships are called traits. True
What do you name evolutionary relationships?The evolutionary history and relationships of an organism or collection of organisms are referred to as its phylogeny in scientific terms. A phylogeny describes an organism's relationships, such as which organisms it is assumed to have evolved from, which species it is most closely related to, and so on.
Humans and chimps share a common ancestor, but it is not as recent as that of gorillas. Gorillas are connected to chimps just as much as they are to humans. Orangutans are the most distantly related to humans of the species depicted.
Learn more about evolutionary relationships
https://brainly.com/question/14956690
#SPJ4
Full Question: Traits that are modified from the ancestral condition and can therefore be diagnostic of particular evolutionary relationships are called traits. True / false
which items represents the part of a cell responsible for modifying protein and exporting it from the cell
The Golgi apparatus represents the part of a cell responsible for modifying protein and exporting it from the cell.
The Golgi apparatus, also known as the Golgi complex or Golgi body, is an organelle found in eukaryotic cells that plays a vital role in processing, modifying, and sorting proteins and lipids that are synthesized in the endoplasmic reticulum. The Golgi apparatus consists of a series of flattened, stacked membrane-bound sacs, and each stack has a distinct polarity with a cis (receiving) and trans (exporting) face. As the newly synthesized proteins pass through the Golgi stacks, they undergo various modifications, such as glycosylation, sulfation, and phosphorylation, and then sorted and packaged into vesicles for transportation to other parts of the cell or for secretion outside the cell. The Golgi apparatus is thus crucial for the proper functioning and distribution of many cellular products, including hormones, enzymes, and neurotransmitters.
Learn more about cell here:
https://brainly.com/question/8891233
#SPJ4
true/false valvular stenosis is when the valve leaflets, or cusps, fail to shut completely, permitting blood flow to continue even when the valve is presumably closed. during systole or diastole, some blood leaks back into the chamber proximal to the diseased valve, which increases the volume of blood the heart must pump and increases the workload of both the atrium and the ventricle.
False. Valvular stenosis is actually a condition where the valve opening is narrowed, making it difficult for blood to pass through.
The valve leaflets become thickened or fused, resulting in decreased blood flow through the valve. This causes increased workload on the chamber that lies behind the affected valve. During systole, the heart must work harder to pump blood through the narrowed valve, and during diastole, the blood flow is restricted as the valve fails to open completely. As a result, less blood is able to flow through the narrowed valve, leading to reduced blood flow to the body's organs and tissues, and potentially causing symptoms such as shortness of breath, chest pain, and fatigue. In valvular stenosis, blood does not leak back into the chamber proximal to the diseased valve.
Learn more about Valvular stenosis here:
https://brainly.com/question/10014885
#SPJ4
the embroyblast eventually differentiates into the
zygote. blastocyst primary germ layers. sperm and egg
The embryoblast eventually differentiates into the blastocyst. Early in the development of an embryo, a formation known as a mammalian blastocyst forms.
It has a layer of trophoblast cells on the surface known as trophectoderm as well as an inner cell mass (ICM), also known as an embryoblast, which later develops into an embryo. The blastocoel, a chamber filled with fluid, and the inner cell mass are both enclosed by this layer. Trophoblast is the name for the trophectoderm in the late blastocyst. The trophoblast creates the chorion and amnion, the two foetal membranes that cover the embryo. The two sources of the placenta are the mother's underlying uterine tissue and the embryonic chorion, or the portion of the chorion that creates villi.
The complete question is:
The embroyblast eventually differentiates into the
a) zygote
b) blastocyst
c) primary germ layers
d) sperm and egg
To learn more about embryo click on the given link: brainly.com/question/28301178
#SPJ4
how do epidemiologists determine the cause of an epidemic
Using statistical analysis epidemiologists determine the cause of an epidemic.
Epidemiologists conduct research to establish the factors that lead to public health issues, the appropriate responses, interventions, and solutions. By using research—from the field and in the lab—and statistical analysis, epidemiologists can track disease and predict its future outcomes. The three major epidemiologic techniques are descriptive, analytic, and experimental. Although all three can be used in investigating the occurrence of disease, the method used most is descriptive epidemiology.
The purpose of the epidemiologic investigation is to identify a problem, collect data, formulate and test hypotheses. It involves the collection and analysis of more facts or data to determine the cause of illness and to implement control measures to prevent additional illness.The Centers for Disease Control and Prevention (CDC) describes an epidemic as an unexpected increase in the number of disease cases in a specific geographical area. Yellow fever, smallpox, measles, and polio are prime examples of epidemics. An epidemic disease doesn't necessarily have to be contagious.
Learn more about epidemiologists here:
https://brainly.com/question/28859445
#SPJ4
May someone please help me on this I’ll reward you
Genetic drift and the bottleneck effect are the factors that can cause the population to reduce
What can reduce genetic diversity?Genetic drift and the population bottleneck effect can reduce genetic diversity in a population, making it more vulnerable to environmental changes and genetic diseases.
When a small number of individuals survive a bottleneck event, they may carry only a subset of the original genetic variation present in the original population, which can limit their ability to adapt to changing conditions. Over time, the loss of genetic diversity through genetic drift can increase the risk of inbreeding, decrease the fitness of the population, and reduce its overall resilience to environmental stressors.
Therefore, genetic drift in combination with the population bottleneck effect can hurt the long term chances of survival for all of these species, even if a small number of individuals currently survive.
Read more on genetic drift here:https://brainly.com/question/29687185
#SPJ1
Which term means a twisting of the intestine on itself that causes and obstruction
The term that means a twisting of the intestine on itself that causes an obstruction is "volvulus."
Volvulus is a medical emergency that can occur in various parts of the gastrointestinal tract, including the stomach, small intestine, and colon. When a segment of the intestine twists, it can lead to a blockage of the normal flow of food, fluid, and gas, which can cause pain, distention, vomiting, and potentially life-threatening complications such as bowel ischemia, perforation, or sepsis.
Treatment for volvulus typically involves urgent surgical intervention to untwist the affected portion of the intestine and remove any necrotic or damaged tissue.
To know more about volvulus here
https://brainly.com/question/13195434
#SPJ4
What is a correct way of naming an organism using the binomial system?
A Common buttercup
Branunculus acris
C Ranunculus acris
D Ranunculus sp.
Answer: Ranunculus acris is correct way of naming an organism using the binomial system. So, option C.
Answer: Ranunculus acris is correct way of naming an organism using the binomial system.
Explanation:
agricultural practices put in place to conserve resources for future generationsA. DomesticationB. SustainabilityC. HerbicideD. Pesticide
Sustainability agriculture aims to boost output while minimising negative environmental effects and preserving natural resources for future generations.
Utilizing renewable resources, such as water, soil, and energy, as well as adopting techniques like agroecology, integrated pest management, cover crops, and no-till farming, are all part of this process.
The preservation of biodiversity, the use of organic fertilisers, and non-toxic pest management techniques are all components of sustainable agriculture.
Environmental protection and guaranteeing future generations' access to food depend on sustainable agriculture. It contributes to soil conservation, water pollution reduction, and a decrease in atmospheric carbon dioxide concentrations.
Additionally, it aids in agricultural output growth, input cost reduction, and a decrease in the use of chemical pesticides and fertilisers. It is critical to provide a favourable policy environment and encourage the adoption of such techniques among farmers in order to successfully implement sustainable agriculture methods.
To learn more about agriculture visit:
https://brainly.com/question/15421902
#SPJ4
In horses, tan hair (H) is dominant over white hair (h). If a horse has white hair, which of the
following alleles must it have?
Answer:
Explanation:
dhg
geeg
What is process by which 2 species evolve in response to changes in each other?
Coevolution, the process of mutual evolutionary change that occurs when pairs of species or groups of species evolve in response to changes in each other.
What is the concept of coevolution?Coevolution is most broadly interpreted as two groups of organisms interacting and influencing the evolution of other organisms. Groupings can be created at various levels of biological organization and co-evolution of the groups under study (eg, intra- or inter-species, intra- or inter-generic, intra- or inter-guild).
What are the three types of coevolution?Several different categories of coevolution are often debated by scientists in ecology and evolutionary biology: Pairwise coevolution, diffusion coevolution, and gene-by-gene coevolution.
What Causes Coevolution?Interactions co-evolve as an ever-changing geographic mosaic; Much of evolution is coevolution, the coevolution of parasites and hosts, predators and prey, competitors and mutualists. Interacting species impose choices on each other, constantly changing the traits and life histories of other species
To learn more about Coevolution visit:
https://brainly.com/question/21488468
#SPJ4
Arrange the descriptions of the steps in RNA splicing in order from earliest to latest. 1. Exon ends are covalently joined together. II. Components of the spliceosome bind conserved regions in the intron and bring them together in close proximity III. Acceptor splice site is cut. IV Donor splice site is cut, and the end of the intron is joined covalently to the branch site. a) 3,1,2,4. b) 2,4,3,1. c) 3,4,1,2. d) 3,2,4,1. e) 2,3,1,4.
The correct sequence is B) 2,4,3,1. II. Components of the spliceosome bind conserved regions in the intron and bring them together in close proximity.
Sequence IV Donor splice site is cut, and the end of the intron is joined covalently to the branch site. III. Acceptor splice site is cut. I. Exon ends are covalently joined together.To produce numerous functional RNAs or proteins from a single transcript, RNA splicing is a post-transcriptional technique. Darwin's theory of evolution by function follows form is best shown by the evolution of RNA splicing.To facilitate the translation of mRNA into a protein, RNA splicing involves splitting up the protein-coding regions (exons) and removing the intervening, non-coding segments of genes from pre-mRNA.For more information on RNA splicing kindly visit to
https://brainly.com/question/13958772
#SPJ4
active interference by humans in the life cycles of plants or animals so that subsequen generations are of greater value to humans is one defintion of
Active interference by humans in the lifecycles of plants or animals so that subsequent generations are of greater value to humans is one definition of selective breeding.
Selective breeding is a process that is used by humans to selectively breed plants and animals in order to produce offspring with desired characteristics. This process usually involves selectively mating animals or plants that have certain desirable traits in order to produce offspring with those traits.
Selective breeding has been used for centuries to create breeds of plants and animals that are better suited to human needs, such as faster-growing crops, meatier livestock, and animals with more desirable traits. Selective breeding can also be used to create pest-resistant crops, disease-resistant livestock, and animals with desirable coat colors and other characteristics.
To know more about Selective breeding refer :
https://brainly.com/question/461245
#SPJ4
explain the gas exchange between the circulatory and respiratory systems.
Oxygen is taken up by the respiratory system and delivered to a circulatory system (blood).
As part of cellular respiration, the circulatory system transports nutrients from of the digestive system and oxygen to the cells. The blood then transports this carbon dioxide waste material back to the lungs where it is expelled.
During this process, carbon dioxide travels from of the blood to the lungs. This occurs in the lungs here between alveoli and a collection of blood capillaries known as capillaries that are found inside the alveolar walls. Oxygen is taken up by the respiratory system and delivered to a circulatory system (blood).
(Explain how the circulatory and respiratory systems work together in order for cellular respiration to occur?)
Learn more about respiratory
https://brainly.com/question/19306828
#SPJ4
1) Roots in plants absorb air needed for respiration through --------.
2) the respiration which takes without oxygen is called --------- respiration.
3) the tiny pores on the leaves of a plant through which gaseous exchange occurs are called ------.
4) the microscopic organism like yeast and bacteria obtain energy from aerobic respiration called -------.
Answer:
1.) soil
2.) anaerobic respiration
3.) stoma
4.) Fermentation (I hope)
I’m really good at biology so If you need help just message me maybe.
contraction of the intrinsic laryngeal muscles can group of answer choices move the cricoid cartilage. move food from the larynx to the esophagus. close the glottis. constrict the trachea. assist in breathing during exercise.
Contraction of the intrinsic laryngeal muscles can close the glottis Sound generation and the movements of the laryngeal cartilages and folds itself are controlled by the larynx's intrinsic muscles option 3)
The intrinsic laryngeal muscles are in charge of sound generation as well as the motions of the laryngeal cartilages and folds. Its attachments are located between the laryngeal cartilages. These muscles are paired bilaterally, with the exception of the transverse arytenoid muscle.
These muscles work in pairs to expand and close, or extend and shorten, the vocal folds: Adductors and abductors are two types of people. The lateral cricoarytenoid muscles pull the muscular processes anteriorly, rotating the arytenoid cartilages and swinging the vocal processes medially.
Learn more about intrinsic laryngeal muscles
https://brainly.com/question/13008817
#SPJ4
Full Question: Contraction of the intrinsic laryngeal muscles can group of answer choices
move the cricoid cartilage. move food from the larynx to the esophagus. close the glottis. constrict the trachea. assist in breathing during exercise.The plant life of a given region, habitat, or geological stratum irrespective of the numerical strength of each species is called-
A. Vegetation
B. Community
C. Flora
D. Population
Answer:
C. Flora
Explanation:
Flora is all the plant life present in a particular region or time, generally the naturally occurring (indigenous) native plants. Sometimes bacteria and fungi are also referred to as flora, as in the terms gut flora or skin flora.
define why would a pea plant that is heterozygous for the tallness trait have the dominant phenotype?phenotype.
The pea plant that is heterozygous for the tallness trait has the dominant phenotype because the homozygous and heterozygous forms of the disease express the dominant characteristic.
In genetics, a dominant allele is denoted by a capital letter, and a recessive allele is denoted by a smaller letter. Both homozygous dominant (TT) and heterozygous dominant conditions might result in the dominant trait manifesting (Tt).
As the tall phenotype predominates over the dwarf phenotype, let T stand for the tall allele and t for the dwarf allele. Tall pea plants with the genotype TT are homozygous, while those with the genotype Tt are heterozygous. Two tall pea plants that are homozygous (TT) and two tall pea plants that are heterozygous will result from a cross between them (Tt). They won't have any children that are dwarf-sized. Hence, it is impossible to conceive a small child.
So, despite the fact that the gene only contains one dominant allele, the dominant allele has the capacity to mask or suppress the phenotypic expression of the recessive trait. Hence, tall heterozygous pea plants display the dominant trait.
To learn more about the heterozygous genes please click on the given link: https://brainly.com/question/3712307
#SPJ4
Suppose that a large group of young rabbits is born from this cross. Use the Punnett square as a model to describe the probable genetic variation of the offspring.
Punnett squares are easy ways of getting the expected genotypes and phenotypes among the progeny. The probable genetic variation of the offspring is 50% heterozygous, Hh, and 50% homozygous recessive, hh
What is a Punnett square?The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.
Punnett square shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.
As we can see in the exposed example, the cross was done between an heterozygous individual expressing a dominant trait and a homozygous recessive individual.
From this cross, we expect the progeny to be
1/2 = 50% heterozygous Hh expressing the dominant phentoype. 1/2 = 50% homozygous recessive hh expressing the recessive phenotype.The probable genetic variation of the offspring is 50% heterozygous, Hh, and 50% homozygous recessive, hh.
You can learn more about Punnett squares at
https://brainly.com/question/25357981
#SPJ1
1In a small African village, 6% of babies are born with sickle-cell anemia, which is due to a
recessive allele.
a) What is the frequency of the recessive allele?
b) What is the frequency of the dominant allele?
c) What percent of this population is homozygous dominant?
d) What percent of this population is heterozygous?
e) If the village has a population size of 7,640 people, how many of them would have the
genotype AA?
This refers to red blood cells look like sickles used to cut wheat. These unusually shaped cells give the disease its name. Sickle cell anemia is one of a group of inherited disorders known as sickle cell disease. It affects the shape of red blood cells, which carry oxygen to all parts of the body.
Management of sickle cell anemia is usually aimed at avoiding pain episodes, relieving symptoms and preventing complications. Treatments might include medications and blood transfusions. For some children and teenagers, a stem cell transplant might cure the disease.
Learn more about sickle-cell anemia on
https://brainly.com/question/21537992
#SPJ1
what is the only exception to homologous chromosomes in humans?
[tex]\huge\underline{\red{A}\green{n}\blue{s}\purple{w}\pink{e}\orange{r} →}[/tex]
They are the sex chromosomes "X" and "Y".Explanation:
Hope it helps you~
In humans, the only exception to homologous chromosomes is the sex chromosomes (X and Y).
In humans, the sex chromosomes are the X and Y chromosomes. While females have two X chromosomes, males have one X and one Y chromosome. This means that the X and Y chromosomes are not homologous, as they do not have the same size, shape, or genetic information. All of the other chromosomes in humans are homologous, meaning that they have the same size, shape, and genetic information.
In summary, the only exception to homologous chromosomes in humans is the sex chromosomes, X and Y.
Learn more about chromosomes at https://brainly.com/question/11912112
#SPJ11
an ecologist estimated 800 star-nosed moles, condylura cristata, per square mile in one woodlot and 1,600 per square mile in another woodlot. what was the ecologist comparing?
The ecologist was comparing the population density of star-nosed moles, Condylura cristata, in two different woodlots.
The population density is a measure of the number of individuals of a particular species living in a defined area, usually expressed as the number of individuals per unit area. In this case, the ecologist estimated the number of star-nosed moles per square mile in each woodlot.
Based on the given information, the population density of star-nosed moles is higher in the second woodlot than in the first woodlot, with an estimated density of 1,600 individuals per square mile compared to 800 individuals per square mile. The difference in population density between the two woodlots could be due to a variety of factors, such as differences in habitat quality, availability of food, or predation pressure. By comparing the population density of star-nosed moles in these two woodlots, the ecologist can gain insights into the factors that influence the distribution and abundance of this species in different habitats.
Learn more about ecologist here:
https://brainly.com/question/54001
#SPJ4
why is it logical to observe that wind-pollinated species usually grow in dense stands containing many individuals of the same species?
It makes sense for wind-pollinated plants to grow in dense numbers as they need dense stands of the same species to thrive and because the great majority of wind pollen does not find an adequate ovule.
Wind pollinates many of our most prevalent plant species, including grasses, conifers, and food plants like wheat, rice, and corn.
The wind, which came into existence before insects and creates tiny, inconspicuous flowers, physically transports pollen. Yet, there are a number of drawbacks to wind pollination as well: There is a lot of pollen produced by these plants, but the majority of it does not find an adequate ovule. unpredictable wind direction and speed. Wind-pollinated plants often require dense stands of the same species to survive..
Some of this wind-borne pollen was ingested by early insects, which later evolved over millions of years into the bees and other pollinators we see today.
To learn more about pollination please click on the given link:
brainly.com/question/21407518
#SPJ4
red-green color blindness is x-linked recessive. a woman having normal vision has a colorblind father. she has a son with a color-blind man. what is that probablility that the son is colorblind? a. 1/16 b. 1/2 c. 2/3 d. 1/8
The chances of a woman having a color-blind father and having a color-blind son by a color-blind partner are 1/2, thus option (B). is the correct answer.
His X chromosome carries the recessive gene if the woman's father has the disorder. The Y chromosome does not include this trait. Currently, she possesses a recessive gene on the lone X chromosome from her father and one X chromosome from her mother. She does not suffer from color blindness, hence this is another normal/dominant trait she inherited from her mother. She will pass one recessive gene or one normal gene to her sons. A male who is colorblind in this situation has a 50% chance of existence.
With Punnett square:
Mother: XX'c
Father: XcY
Son genes:
X X'c
Xc XXc X'cXc
Y Xy X'xY
Her half of the son will be having either the XY gene which will be normal and the other half will have X'xY and will be color-blind.
To learn more about Punnett square please click on the given link: https://brainly.com/question/27984422
#SPJ4
