A group of stone age farmers settles on a remote island. The allele frequency of this first generation is P=0.8 and Q=0.2, with P being the dominant allele frequency and Q being the recessive allele frequency. One thousand years later, no member of this population has the recessive allele. This is an example of: A) Natural Selection B) Genetic Drift C) Mutation D) Gene Flow

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09-12-2022
Biology

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A group of stone age farmers settles on a remote island. The allele frequency of this first generation is P=0.8 and Q=0.2, with P being the dominant allele frequency and Q being the recessive allele frequency. One thousand years later, no member of this population has the recessive allele. This is an example of: A) Natural Selection B) Genetic Drift C) Mutation D) Gene Flow

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tiwarsourab7 tiwarsourab7 · Answer 1 · 2022-12-14T09:02:27+01:00

A group of stone-age farmers settles on a remote island, and the allele frequency of this first generation is P = 0.8 and Q = 0.2. One thousand years later, no member of this population has the recessive allele, and this is an example of the genetic drift present in Option B.

What is genetic drift?

Genetic drift occurs when genes from one population migrate to another through migration, mating, or other means, causing changes in the gene pool of that population. In this way, after a thousand years, the recessive allele is lost.

Hence, this population has no recessive allele, and this is an example of the genetic drift present in Option B.

Learn more about the genetic drift here.

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