Question: Suppose a gene allele takes two forms A and a, with P(A) = 0.20 = 1 P(a). Assume a population is in HardyWeinberg equilibrium.

Suppose a gene allele takes two forms A and a, with P(A) = 0.20 = 1 − P(a).

Assume a population is in Hardy–Weinberg equilibrium.
(a) Find the probability that in a sample of eight individuals, there is one AA, two Aa's, and five aa’s.
(b) Find the probability that there are at least seven aa’s.

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