Answer:
Hope this helps :)
Explanation:
What is the most obvious variation that is visible in your Fruit Loop population? ____Different colored Froot Loops
___Blue___ + _Yellow = Green
___Yellow__ + __Red_ = Orange
____Red_ _ + __Blue_ = Purple
How it changes a population/which trait is favored
STABILIZING
Instead of favoring individuals with extreme phenotypes, it favors the intermediate variants. Stabilizing selection tends to remove the more severe phenotypes. This means it would probably favor green, orange, and purple while disfavoring red, yellow, and blue.
DIRECTIONAL
Directional selection, is a mode of negative natural selection in which an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype. Under directional selection, the advantageous allele increases as a consequence of differences in survival and reproduction among different phenotypes. The increases are independent of the dominance of the allele, and even if the allele is recessive, it will eventually become fixed. This means that whichever color is more extreme and advantageous, whether recessive or dominant, will eventually become fixed in the species.
DISRUPTIVE
This is the opposite of stabilizing selection. It favors the extreme phenotypes and tends to remove the intermediate variants. This means it would probably do the opposite of stabilizing selection and favor red, yellow, and blue while disfavoring green, orange, and purple.
Which of the following statement best describes the similarity between sexual and asexual reproduction?
Answer:
B. Both pass on genetic material to the offspring.
Asexual reproduction is a process in which organisms produce offspring without the involvement of meiosis and fertilization. The offspring produced through asexual reproduction are genetically identical to the parent organism. In contrast, sexual reproduction is a process in which organisms produce offspring through the fusion of genetic material from two parent organisms. The offspring produced through sexual reproduction are genetically diverse as they inherit a combination of genetic material from both parents. Both asexual and sexual reproduction pass on genetic material to the offspring. However, only sexual reproduction leads to genetic diversity in the offspring.
Why would growing replacement skin from stem cells be valuable?
Answer:
Growing replacement skin from stem cells can be valuable for a number of reasons:
Explanation:
Treating burns: Stem cells can be used to grow replacement skin for patients with severe burns, which can reduce the risk of infection and scarring, and improve the healing process.
Healing wounds: Stem cells can be used to grow new skin to help heal chronic wounds such as those seen in diabetes and pressure sores.
Reconstructive surgery: Stem cells can be used to grow replacement skin for patients who have undergone reconstructive surgery, such as breast reconstruction after a mastectomy.
Genetic skin disorders: Stem cells can be used to grow replacement skin for patients with genetic skin disorders such as epidermolysis bullosa, a genetic disorder that causes skin to be extremely fragile and prone to blisters.
Cosmetics: Stem cells can be used in cosmetics industry to develop new products that can help to improve skin conditions such as aging and wrinkles.
Cost-effective: Using stem cells to grow replacement skin can be more cost-effective than traditional methods such as skin grafts, which require a significant amount of healthy skin to be taken from another part of the body.
Ethical concerns: Using stem cells to grow replacement skin eliminates the need to use animal testing or animal-derived materials in the production of skin products.
Overall, growing replacement skin from stem cells offers a versatile and efficient way to help patients with various skin conditions, and can improve the quality of life for many people.
Scientists find that two orqanisms from different species have very similar genetic sequences. What is most likely true about the two organisms?
A) They eat the same kinds of food.
B) They are actually the same species.
C) They evolved from a common ancestor.
D) They have the same social structures within their species.
Answer:
C) They evolved from a common ancestor.
Explanation:
Species that have a common ancestor share genes called homologous genes. These genes were passed down from a single common ancestor, which explains the similar genetic sequences.
Hope this helps!
ormed by waves eroding less - resistant rocks along the shore
Costal Erosion is the form of erosion that is caused when waves of seas hit the rocks on the shore.
What is Erosion ?The removal of soil, rock, or dissolved material from one area on the Earth's crust and subsequent transport to another region for deposition are known as erosional processes. Erosion differs from weathering, which is a static process.
Earthen materials are worn away during erosion, a geological process in which they are moved by wind or water. Weathering, a related process that does not involve movement, dissolves or breaks down rock.
When materials like boulders and stones carried by waves strike and knock against one other, they are said to be attritionally worn away. Sand and rounded beach pebbles are created via the wear and tear of these materials. One of the most obvious signs of coastal erosion is the formation of sea cliffs.
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When male lions reach sexual maturity, they leave their group in search of a new pride. This can alter the allele frequencies of the population through which of the following mechanisms?
Group of answer choices
gene flow
natural selection
genetic drift
random mating
Option(A) Gene flow is process that can effectively alter the allele frequencies of population.
what is gene flow?In population genetics, gene flow is the transfer of genetic material from one population to another. If the rate of gene flow is high enough, then two populations will have equivalent allele frequencies and therefore can be considered a single effective population.
what are allele?According to the most respected textbooks on genetics and evolution, an allele is a different arrangement of the same sequence of nucleotides at the same location on a lengthy DNA molecule. A locus is the chromosomal or genomic location of a gene or any other genetic element, and alleles are different DNA sequences at a locus.
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URGENT!!!!! HELP! LIMITED TIME!!!!!!!!!!!!
Scientists discover two populations of mice on either side of a major river.
The two populations have almost identical genes, but the mice from one side cannot breed with the mice from the other.
This is most likely because
Select one:
A. both species of mice lived on both sides but owls killed one
population on each side
B. the river separated one species of mice into two different species.
C. the similar habitat caused two species to become genetically
similar
D. two different species of mice migrated to the river from different directions
The answer to this question is: The most likely option for the mice to not breed is option (B) which is the river separated one species of mice into different species
The explanation of the above answer is as follows
The two populations having identical genes cannot breed because the river becomes the environmental barrier. There is no way for the mice to cross the river to the other side. Due to this reason, there is reproduction isolation for the mice. Therefore, the river separated one species of mice into two different ones and became the environmental barrier.
Drag and drop the words into the correct locations.(2 points)
Two astronomers accidentally discovered______, which is evidence of universe expansion that supports the Big Bang theory. This is particularly strong evidence because its temperature is ______. By observing this today, we can see what the universe looked like______?
Background radiation
137,000,000 years ago
not uniform
uniform
13,700,000,000 years ago
SOMEONE PLEASE HELP ME!!...
Two astronomers accidentally discovered Background radiation, which is evidence of universe expansion that supports the Big Bang theory. This is particularly strong evidence because its temperature is not uniform. By observing this today, we can see what the universe looked like 13,700,000,000 years ago.
What is the Big Bang theory in physics?The Big Bang Theory is a fundamental theory in the physics field that states the universe is expanding which is associated with different temperatures around space and background radiation.
Therefore, with this data, we can see that the Big Bang theory is based on temperature differences around the universe.
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What is the difference between a dominant color allele and a recessive color allele found in pea plants? Responses Both alleles code for proteins that produce pigments. The pigments produced by a recessive color allele are white. A recessive color allele codes for proteins that produce pigments. A dominant allele does not code for those proteins. A dominant color allele codes for proteins that are involved in the production of pigments. A recessive color allele does not produce a working version of these proteins. Both alleles cannot code for any proteins. Purple is the natural color of plant petals when no other factors are involved.
The differences between a dominant color allele and a recessive color allele found in pea plants is based on the facts that 5. A dominant color allele codes for proteins that are involved in the production of pigments and 6. A recessive color allele does not produce a working version of these proteins.
What are dominant and recessive alleles in a given locus?The expression dominant and recessive allele for a given locus make reference to the presence of one alle called dominant which masks the expression of the recessive allele in heterozygous individuals, which is only expressed in homozygous recessive individuals.
Therefore, with this data, we can see dominant and recessive alleles in a given locus have a distinct effect on the phenotype in the sense the recessive allele does not produce the required protein in presence of the dominant allele.
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Genotype probability for a Guinea pig short fur S is dominant to long fur s. Two heterozygous pigs Ss mate
When two heterozygous guinea pigs (Ss) mate, their offspring have a chance of inheriting either the dominant or recessive allele from each parent. The probability of inheriting a particular genotype can be determined using a Punnett square.
What do you understand by punnett square?A Punnett square is created by drawing a grid with the alleles of one parent along the top and the alleles of the other parent along the side. The possible combinations of alleles are written in the cells where the rows and columns intersect.
What is the use of punnett square?Punnett squares are widely used in genetics and biology to predict the possible outcomes of genetic crosses and to understand the inheritance of traits.
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Predict the phenotypic and genotyping outcome offspring of a cross between two heterozygous for round peas
Phenotypically, the offspring of this cross are expected to have a 3:1 ratio of round to wrinkled peas.
What do you mean by Offspring?
Offspring is a term used to refer to the children or descendants of a particular parent or ancestor. It is often used to refer to the biological children of two people, but it can also refer to adopted children, stepchildren, and other descendants. Offspring can also refer to any living organism that is descended from a common ancestor.
This means that, of the offspring, 75% will have round peas and 25% will have wrinkled peas. Genotypically, the offspring of this cross are expected to be heterozygous for round peas (Rr).
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The pictures have the questions
16 Vitamin D is soluble in fat, but insoluble in water. It is present in the fat component of foods
that we eat.
-1
a Use this information to suggest how bile helps us to absorb vitamin D from food.
b Suggest into which part of the villi it is absorbed. Explain your suggestion.
Answer:
Explanation:
a Bile is a fluid produced by the liver that helps to break down and digest fatty foods, such as those containing Vitamin D. Bile helps to emulsify the fat in these foods, meaning that it helps to break it down into smaller droplets, which can then be more easily absorbed by the villi in the small intestine.
b Vitamin D is fat-soluble, so it is most likely absorbed into the fat-containing cells of the villi. The villi are small finger-like projections in the small intestine that have a brush-like surface, which increases the surface area for absorption of nutrients. The Vitamin D is likely taken up into the cells of the villi, from where it can enter the bloodstream and be distributed to different parts of the body.
SOMEBODY PLS HELP !!
Which statement describes what is happening at the plate
boundary in this section of a tectonic map?
A) The seafloor is spreading.
B) Two continental plates are colliding.
C)An oceanic plate is subducting.
D) Two plates are sliding past each other.
The sea floor is spreading is the correct option. Deep ocean trenches, volcanoes, island arcs, undersea mountain ranges, and fault lines are examples of plate tectonic characteristics.
Describe the earth's crust:The Earth's outer crust (the lithosphere) is made up of tectonic plates that move on top of a heated, moving mantle layer known as the asthenosphere. Convection currents created by heat in the asthenosphere lead tectonic plates to shift several millimeters each year relative to one other. A "plate border" is formed when two tectonic plates collide. There are three main types of plate borders, each of which is related with the production of different geologic characteristics.
When is a convergent boundary formed?A convergent plate boundary is formed when two tectonic plates clash. Subduction is the process by which one of the converging plates moves beneath the other.
Deep trenches are frequent structures generated where tectonic plates are subducted, and earthquakes are also prevalent near subduction zones. Fluids are released from the rock when the sinking plate goes further into the mantle, causing the overlying mantle to partially melt. The new magma (molten rock) rises and may erupt violently to generate volcanoes, which frequently form arcs of islands along the convergent boundary.
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