Question

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Define the term genetic drift. Based on your definition, explain the difference in its impact on large and small populations.

Answer 1

Genetic Drift: Chance events that change the genetic decomposition of a population.these chnage alleic frequencies.they decrease the amount of genetic variation in the individual.

A process in a small population whereby the frequency of alleles in the junior generation differ from the senior generation due to sampling error.

Sampling error:when a sampling error does not accurately represent the population from which the sample was taken.

In very Large population the effect can be insignificant.