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Basile [38]
4 years ago
15

Allele frequencies in a gene pool may shift randomly and by chance. What is this random shift called?

Biology
1 answer:
harina [27]4 years ago
3 0

Allele frequencies in a gene pool may shift randomly and by chance this random shift is called as "Genetic drift".

<u>Explanation:</u>

A shift in the occurrence of an established gene variant within a population due to spontaneous species sampling is understood as a "Genetic drift".The offspring alleles are a composite of those within the parents and opportunity has a key role in deciding whether or not a given person lives and reproduces.

Genetic drift contributes to the retention of populations of the alleles or genotypes. The key difference is that frequencies in genetic drift alleles alter by chance, while frequencies shift by differential reproductive success in natural selection allele.

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the Moon's shadow falls on Earth

Explanation:

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Mendel crossed peas having round seeds and yellow cotyledons (seed leaves) with peas having wrinkled seeds and green cotyledons.
Kruka [31]

Answer:

Let:

Y = Yellow           R = Round

y = green             r = Wrinkled

If you look at the F1 generation, all the plants are round and yellow, so these are the dominant traits and each offspring is heterozygous for both traits. The cross for the F2 generation would then be:

<em>YyRr x YyRr</em>

In a Punnett it would look like the attached picture.

For the forked-line diagram, first you will need to know the gentypes and ratio of each trait in a monohybrid cross. Select one trait, and then branch each gentype to the next trait, linking it with each possible genotype combination of the monohybrid cross.

Attached is a picture of the Forked Branch diagram for this cross.

7 0
3 years ago
Most amino acids require _______. Question 18 options: active transport passive diffusion facilitated diffusion All of these are
Anni [7]

Most amino acids require Active Transport.

<h3>What is active transport?</h3>

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A protein pump uses ATP, which is a form of stored energy, to move molecules during active transport.

<h3>What are amino acids?</h3>

Organic substances known as amino acids have basic amino groups (-NH2) and carboxyl groups (-COOH). Amino acids are the components found in proteins. Proteins and peptides are both made up of lengthy chains of amino acids. There are a total of twenty amino acids used in the production of proteins.

Learn more about Amino acid with the help of the given link:

brainly.com/question/13252811

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1 year ago
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