Imagine a population of 80 horses in which all individuals are homozygous for an allele A1. But then a mutation introduces a new allele, A2, in one horse which is a heterozygote for this locus. Assuming the mutation is neutral, and no further mutation occurs, answer the following questions. Question 16 What is the probability that A2 will eventually become fixed? Question 17 What is the probability that Az will go extinct?

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Q: which illustrates Buri’s experiment on genetic drift in populations of Drosophila. List evidence…

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