100% of the progenies will be homozygous recessive for all the three traits, when two individuals with the genotype aabbcc are mated with no linkage in the genes.
Homozygous recessive is the condition of genotype where homozygous is the state where both the alleles in the genotype are of same type. Recessive is the condition where the alleles are not able to express their effect individually. They display their characters only when occur in a pair. If a cross is made between two homozygous recessive individuals, then all their progenies also show the same character.
Linkage is the property of closeness of genes. This unit of distance between the genes is centimorgan. If two genes have a distance of less than 50 centimorgan, they are said to be linked. A distance of 50 centimorgan or above states that the genes are not linked.
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What occurs inside of a cell while it is performing the process of respiration? (1 Point)
The negative charge inside of the cell is used to increase the concentration chemicals inside of the cell
Sugar is broken down to generate adenosine triphosphate (ATP) molecules that are used for energy
Light reactive chemicals combine carbon dioxide (Co2) and water to form glucose molecules that are stored as
food[object Object]. Incorrect answer
The cell membrane forms around air bubbles to create a vacuole that is used to separate the oxygen from the
rest of the air
Adenosine triphosphate (ATP) molecules are produced from the breakdown of sugar and are used as an energy source.
What is respiration explain?The physical processes (such as breath and diffusion) via which a living creature acquires the oxygen it wants to make energy and get rid of waste gases include the act or activity of breathing (as carbon dioxide)
What is importance of respiration?The primary goal of breathing is to deliver oxygen to the cells at the a rate sufficient to meet their metabolic requirements. Through the skin's circulation, oxygen is transported from the lungs to the tissues through this process.
How many types of respiration are there?There are two varieties of breathing: The process of aerobic respiration occurs when there is oxygen present. Absence of oxygen results in anaerobic respiration.
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How would you define Earth’s hydrosphere?
Answer:
Discontinuous layer of water
The hydrosphere is the combined mass of water found on, under, and above the surface of a planet, minor planet, or natural satellite. Although Earth’s hydrosphere. The hydrosphere is vital to support human existence. It provides drinking water, water for agricultural purposes, and food and nutrients from fish and plants.
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Hi can you help me come up with a hypothesis for a plan and design lab?
the problem statement was that Mary uses an enzyme based detergent for washing and noticed that it cleaned her clothes better in warm water rather than cold water.
Provide a hypothesis to the problem statment.
Answer:
The enzymes in the detergent have an optimal temperature closer to that of the warm water at which they have the greatest reaction velocity.
Explanation:
Enzymes function best at a specific pH and temperature. This is due to the chemical characteristics of the enzyme. In this case it was observed that the enzyme was able to clean better at a higher temperature. To test this you could measure the reaction velocities using a kinetic enzyme assay that uses a spectrophotometer to measure the absorbance of a sample over a period of time to record the change. The independent variable would be the temperature.
Answer: i know this isnt about the question but i just wanted to say thank you so much for helping me with punnet squares again!! i hope you have an amazing day <3
Explanation:
a hypothetical population of 10,000 humans has 6840 individuals with the blood type aa, 2860 individuals with blood type ab and 300 individuals with the blood type bb. what is the frequency of the bb genotype in this population? express as a decimal with a 0 in the ones place.
The frequency of the bb genotype in the population of 10.000 individuals will be 0.03.
Frequency is the number of times the target genotype repeats divided by the total genotypes in a population. Thus the genotype bb repeats 300 times in the population, Therefore the frequency will be 300 / 10.000 = 0.03.
Genotype is the genetic composition of an organism. It is the representation of any trait of an individual. Genotype can be homozygous or heterozygous. Homozygous is the type where both the alleles are of same type and heterozygous is the type where both the alleles have contrasting effects.
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why didn't any of queen victoria of england's daughters have hemophilia? it is inherited as a sex-linked disorder.
Because King Edward VII, the son of Queen Victoria, inherited her healthy X chromosome and lacked hemophilia. He therefore didn't have a mutated gene to pass on to his offspring.
What is Hemophilia?
An genetic bleeding ailment called hemophilia causes the blood to clot improperly. This may result in both spontaneous bleeding and bleeding after injury or surgery. Blood contains a variety of clotting proteins that can aid in halting bleeding.
What is the cause of Hemophilia?
One affected X chromosome in a female makes her a carrier of hemophilia. A female hemophilia carrier may occasionally exhibit hemophilia symptoms. Additionally, she can pass on to her offspring the X chromosome with the mutated clotting factor gene.
Therefore, the daughters of Queen Victoria of England does not have hemophilia
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which of the following statements is correct? multiple choice mitosis involves one division and produces two non identical gametes. meiosis involves two divisions and produces four non identical gametes. meiosis involves one division and produces two nonidentical gametes. meiosis involves two divisions and produces four identical gametes. mitosis involves two divisions and produces four identical gametes.
Meiosis involves two divisions and produces four non identical gametes.
What is meiosis or mitosis?
Meiosis is the sort of cell department that creates egg and sperm cells. Mitosis is a essential system for life. During mitosis, a cell duplicates all of its contents, consisting of its chromosomes, and splits to shape equal daughter cells.
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portion of rna molecule that codes for making a protien
notice that there are differing numbers of lobes on the right and left lungs. why would this be the case?
There are differing numbers of lobes on the right and left lungs because the left and right lungs are different in size and shape to make room for other organs that intrude on the thoracic region.
What do you mean by lobes in lungs?Each lung has lobes that are partitioned off from one another by tissue fissures. The left lung, which is slightly smaller due to the heart's asymmetrical position, has two major lobes compared to the right lung's three. Each lobe is further divided internally into hundreds of lobules.
What is the function of lobes in lungs?The left lung has two lobes while the right lung has three, each of which resembles a balloon packed with sponge-like tissue. Although each lobe of the bronchial tree receives air from a different branch, they all perform the same task: supplying the bloodstream with oxygen and expelling carbon dioxide.
Thus from the above conclusion we can say that there are differing numbers of lobes on the right and left lungs because the left and right lungs are different in size and shape to make room for other organs that intrude on the thoracic region.
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Please help due tonight.
Answer:C
Explanation:
Temperature increased over time!
which human skeletal muscle fiber has the highest oxidative capacity? select one: a. type iia b. type iib c. type i
Human skeletal muscle fiber has the highest oxidative capacity is type I.
Human skeletal muscle fibers are divided into 3 types of muscle fibers:Type I (slow twitch oxidative): This type of muscle fiber contains large amounts of oxidative enzymes large, which contract slowly and release energy gradually the needs required by the body in a state of activity.Type IIa (fast-twitch oxidative): This type of muscle fibers contracts quickly and release energy quickly, this is due to this type of muscle fibers containing more sarcoplasmic reticulum so that they are faster in releasing and taking back calcium ions, the structure of the myosin head is also slightly different than slow type muscle fibers causing muscle fibers it is more efficient at hydrolyzing ATP. Type IIb (fast twitch glycolytic): This type of fiber is the same as type IIa, the difference is that type IIb does not require oxygen while type IIa requires oxygen.Learn more about 3 types of muscle fibers here https://brainly.com/question/16951957
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How can the increase demand on water affect water quality
Answer: As warmer temperatures increase the demand for water, the amount of freshwater available may decline and increase competition for water resources in some areas.
Answer:
As the demand for water increases, People will first of all opt for clean water, for better health, e. t.c. But as this demand increases, the source of clean water decreases affecting the purity of water
nonpathogenic vibrio cholerae can acquire the cholera toxin gene by nonpathogenic vibrio cholerae can acquire the cholera toxin gene by transformation. conjugation. phagocytosis. transduction. infecting a pathogenic vibrio cholerae.
Nonpathogenic Vibrio cholerae can acquire the cholera toxin gene by transduction.
What are pathogens?
A pathogen is a living organism that causes disease in its host, and virulence describes how severe a disease's symptoms are.
Virens, bacteria, unicellular and multicellular eukaryotes, as well as other taxonomically diverse species, are examples of pathogens.
Pathogens are germs that can impair one's health by infecting the body. They include viruses, bacteria, fungus, and parasites. The pathogens that cause significant diseases include, among many others, anthrax, HIV, the Epstein-Barr virus, and the Zika virus.
All viruses are obligatory pathogens because they must reproduce inside the cells of their hosts, making them all pathogens.
Therefore, Option D is correct.
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Complete question
Nonpathogenic vibrio cholerae can acquire the cholera toxin gene by
a. Transformation
b. Conjugation
c. Phagocytosis
d. Transduction
which category of joint provides a very slight degree of movement, but isn't designed to be highly mobile?
Amphiarthroses joints are slightly movable joints.
What are amphiarthroses joints?
The singular form of amphiarthroses is amphiarthrosis. The bones in these kinds of joints are connected together by the hyaline cartilage or the fibrocartilage.
These amphiarthroses joints impart slight mobility while at the same time maintaining stability between bones adjacent in the vertebral column.
Amphiarthroses joints are also called symphysis or syndesmosis. Amphiarthroses joints can also be called cartilaginous joints as the bones are connected by cartilage. Examples of amphiarthroses joints are the pubic symphysis of the pelvis, which is a cartilaginous joint that holds together the right and left hip bones of the pelvis.
Therefore, Amphiarthroses joints are only slightly movable joints, but aren’t highly mobile.
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Describe, don't list, the organisms were you able to identify from the samples (soil, pond water, and tap water). (3 points)
The organisms which I was able to identify in the soil, pond water and tap water samples given from the above task are:
Organisms which has cilia as its locomotary organelles.Organisms which appeared to have both plant and animal like characteristicsOrganisms which do not have nucleus or has a false nucleusOrganic which have segmented bodies.The organism with cilia as its locomotary organelles and the ones with segmented bodies.From the samples in the given in the above task, I discovered with the aid microscope certain organisms which I identified clearly in the pond which has cilia has its locomotary organelles. This organism, specifically confirmed to be paramecium. I was also able to identify some worms in the soil sample which has segmented bodies. These actually, are the round worms.
So therefore, we can now confirm from my observations above that organisms such as bacteria, euglena, paramecium, earthworms were identified in the samples above.
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Cells work together to provide a specific function in , which interact to form an organ.
Cells work together to provide a specific function in multicellular organisms, which interact to form an organ is called tissue.
How do cells work?Cells group together to carry out a particular function and a group of cells that work together form a tissue.
Organ system is a group of organs that work together to perform functions and circulatory system and digestive system are examples of organ systems.
In multicellular organism, cells form tissues, tissues form organs and then organs form organ systems. The cells differentiate tocarry outspecific functions. Specialization is determined by the location of the cell within the developing embryo. Stem cells are special type of cell that continue to divide and renew themselves for longer periods of time.
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which would be the route taken by lymph traveling from lymphatic vessels in the right leg to the bloodstream?
The left subclavian vein; the right lumbar trunk; the cisterna chyli; and the thoracic duct. blood from lymph system in the right leg.
What does the body's lymph do?Lymph: The excess fluid that leaks out of cells and tissues but is not recycled back into capillaries is what is referred to as lymph, also known as lymphatic fluid.
Lymph node cancer?A tumor of the lymph system, which is a component of the body's defense against infection, is lymphoma. The spleen, thymus gland, lymph (lymph glands), and bone marrow are all components of the lymphatic system. All of those locations, in addition to other organs in the body, can be impacted by lymphoma.
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Why is competition is a density-dependent?
The effect of the competition is frequently density-dependent, meaning that with higher population densities, competition increases. This is due to the fact that rivalry frequently becomes more intense as the population grows (or as resources decline).
What are density-dependent factors?Intraspecific competition, which occurs when members of the same species compete with one another for resources like food and space, is unaffected by factors like population density. Regardless of population size, all species populations in the same habitat will experience a comparable impact. Weather, climate, and natural catastrophes are some of the contributing factors.
Examples of factors that are influenced by density include disease, competition, and predation. The relationship between population size and characteristics that depend on density can be positive or negative. These population-size-related growth-restraining factors are positively correlated with population size and get stronger as the population expands.
Intraspecific Competition: Intraspecific competition occurs when members of the same species compete with one another for food, habitat, and other resources.Interspecific PredationDiseases and ParasitesSocial Behaviors.To know more about the Intraspecific Competition, visit:
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an aabbccddeeff individual is crossed with an individual with the genotype aabbccddeeff. what is the probability that their offspring will have the genotype aabbccddeeff?
The probability that the offspring will have the genotype aabbccddeeff is 1.
To obtain probability of these individuals we have perform punnet or probability for each individual gene
1) aaxaa the probability of getting the gene aa is 1
2) bb x bb the probability of getting the gene bb is 1
3)cc x cc the probability of getting the gene cc is 1
4) dd x dd the probability of getting the gene dd is 1
5)ee x ee the probability of getting the gene ee is 1
6) ff x ff the probability of getting the gene ff is 1.
Now, mutiply probability of all genes in order to get the probability of the offspring
1x 1 x 1 x 1 x 1 x 1 = 1.
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How can children from the same parents look so different?
The answer has to do with the fact that each parent actually has two different sets of genes. And that each parent passes only half of their genes to their child. And that the half that gets passed down is random. All of this together ensures that each child ends up with a different, unique set of genes
Explanation:
Hope this helps everyone even you :)
Answer: Each parent has two different sets of genes, which means that each parent only passes half of their genes to their child. The half that gets passed down is random so each child ends up with a different, unique set of genes. This can cause children from the same parents to look so different.
Explanation:
Question 1 of 10
Carbon, hydrogen, and oxygen can combine to form monomers called fatty
acids. Which type of macromolecule contains many fatty acids?
A. Lipid
B. Nucleic acid
C. Protein
D. Carbohydrate
SUBMIT
Answer:lipid
Explanation:
transpiration is best defined as: group of answer choices diffusion of water from one cell to another. movement of water from soil into the roots and transport via the xylem to leaves where it is lost to the air via the stomata. absorption of co2 from the atmosphere. breakdown of glucose and production of atp.
Transpiration is best defined as the movement of water from soil into the roots and transport via the xylem to leaves where it is lost to the air via the stomata.
In the field of biology, transpiration can be described as a process through which water is lost from the leaves by the process of diffusion.
When there is excess water in the leaves, the guard cells of the stomata open due to which water moves out of the leaves by the diffusion process. The rate of transpiration depends on several factors such as temperature, atmospheric pressure, humidity etc.
The xylem cells bring water from the roots to the leaves where it is utilized and the rest is lost as a result of transpiration.
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What is the function of epithelial tissue in the human stomach?
- support and bind other tissues together
- contract to allow for movement of the stomach
- provide protection and allow secretion and absorption
- receive and transmit impulses and process information
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when people have a bacterial infection, pyrogens are often released to maintain elevated body temperature, which helps kill the bacteria causing the infection. which answer option is the most likely action of pyrogens on thermoregulation?
The most likely action of pyrogens on thermoregulation is that these substances will reset the set point of the sensors and cause the death of the bacteria.
Endogenous pyrogens are substances that are released into the blood when phagocytic leukocytes kill a bacterium. The hypothalamus receives these pyrogens and the thermostat (sensors) is reset. This enables the condition known as a fever, in which the body's temperature rises. A nutrient required by bacteria is reduced as a result of iron becoming more conserved when body temperature rises.
The pathogen may also be killed by heat itself. The hypothalamus regulates body temperature through reflexes that result in sweating and vasodilation when the body is too warm or shivering and vasoconstriction when the body is too cold. It responds to bodily substances.
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you are leading a team of researchers at a pharmaceutical company. your goal is to design drugs that help fight cancer. specifically, you want to focus on drugs that bind to and inactivate certain proteins, thereby halting cell cycle progression. one of your team members suggests targeting the retinoblastoma (rb) protein and inhibiting this protein. will this approach be successful? why or why not?
To design drugs that help fight cancer, targeting the retinoblastoma (rb) protein and inhibiting this protein will not be successful.
What will happen when you target the retinoblastoma (rb) protein ?Targeting the retinoblastoma (rb) protein and inhibiting this protein during the research for designing drugs for cancer will not be a successful approach.
Rb is a tumor-suppressor protein and it functions to inhibit the action of a number of cell cycle regulatory proteins. A drug designed to inactivate the Rb protein would create the same situation as in a cell that lacks both copies of the Rb gene.
Lack of Rb activity releases the inhibition of cell cycle regulatory proteins and thereby promoting cell cycle progression rather than halting it.
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which component of the epidermis initiates immune responses and provides a defense against environmental antigens?
Due to their position within stratified epithelia, Langerhans cells serve as the first line of defense against environmental infections.
In homeostatic settings, non-activated LCs are continuously moving to the lymph nodes to present self-antigen and create immunological tolerance.Langerhans cells (LCs) are important cellular elements that play important roles in both the innate and adaptive arms of the immune response (2). The dendritic cell (DC)/macrophage family, which includes LCs, is found in the epidermis where it forms a dense network with which potential invaders must communicate.The majority of the epidermis' cells are keratinocytes. They serve as the innate immune system's initial line of defense against infection. They have pattern-recognition receptors called Toll-like receptors (TLRs), which identify conserved chemicals on infections and start an inflammatory response.
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PLEASE I NEED HELP
Using the words gene and protein molecule, write a 3-4 sentence summary to explain where individuals in a population get their traits.
Explanation:
individuals contain genes that are unique to the individual. the genes are coded into mRNA and in the ribosomes the mRNA are read form tRNA to assemble amino acids and form a polypeptide chain which is modified further to form protein molecules. these proteins molecules form structures, enzymes and hormones which contribute to the individual's traits such as hair structures, digestive traits and body structures too.
therefore, proteins made off the genes in an individual determine their traits
what are the functions of the macula densa? check all that apply. synthesize and store contract when stimulated by stretch detect changes in the sodium chloride concentration within the signaling granular cells to release renin
Macula densa is responsible for monitoring the Nacl concentration inside the granular cells.
What are macula densa cells?
Macula densa cells are specialized epithelial cells found in distal convoluted tubule.
These cells are renal sensor elements that have the ability to find changes in distal tubular fluid compositions, after which they transmit signals to glomerular vascular elements. This mechanism plays a crucial role in regulating blood flow and glomerular filtration rate.
These macula densa cells take care of salt concentrations within the tubules which helps regulate renal blood flow through dilation and afferent arteriole constriction. These cells also contain rennin granules which help in sending out wider signals that control vascular resistance.
Hence, macula densa cells are mostly responsible for regulation of salt concentrations inside cells.
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glucose-6-phosphate dehydrogenase deficiency (g6pd) is inherited as an x-linked recessive allele in humans. a woman whose father suffered from g6pd marries a normal man. what proportion of their sons is expected to be g6pd?
0.25 of their sons is expected to be g6pd.
Because the sons will inherit only one of their mother's two X chromosomes. The father is normal, so he will pass on a normal allele. The mother has an X-linked recessive allele, so she can only pass on that allele to her daughters, who will not have G6PD deficiency.
The sons will have a 50% chance of inheriting the X chromosome from their mother—that is, they'll get either the normal or G6PD-deficient allele from her. If they get the normal allele from her, then they'll be fine and won't be affected by G6PD deficiency. If they get the G6PD-deficient allele from her, then they'll have G6PD deficiency themselves and be affected by it.
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some bacteria may be able to respond to environmental stress by increasing the rate at which mutations occur during cell division. how might this be accomplished?
By increasing the Genetic Variation within species some bacteria may be able to respond to environmental stress by increasing the rate at which mutations occur during cell division.
Increasing the rate of mutations during cell division would allow the bacteria to respond to environmental stress by increasing the genetic variation within types which could be easily altered to the environment. Genetic variations can arise from gene variants (also called mutations) or from a normal process in which genetic material is regrouped as a cell is getting ready to divide (known as genetic recombination). Over time, as generations of individuals with the feature continue to replicate, the superior feature becomes to grow common in a population, making the population variate than an inherited one
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What's a good format for biology CER/Essay?
