At a particular locus, the frequency of allele A is 0.8 and that of allele a is 0.2.What would be the frequency of heterozygotes in a random mating population atequilibrium?
Question
At a particular locus, the frequency of allele A is 0.8 and that of allele a is 0.2.What would be the frequency of heterozygotes in a random mating population atequilibrium?
Solution
To calculate the frequency of heterozygotes in a population at equilibrium, we can use the Hardy-Weinberg equation, which states that p^2 + 2pq + q^2 = 1, where p is the frequency of one allele (in this case, A), q is the frequency of the other allele (in this case, a), and 2pq represents the frequency of heterozygotes (in this case, Aa).
Given that the frequency of allele A (p) is 0.8 and the frequency of allele a (q) is 0.2, we can substitute these values into the equation to find the frequency of heterozygotes.
2pq = 2 * 0.8 * 0.2 = 0.32
Therefore, the frequency of heterozygotes (Aa) in a random mating population at equilibrium would be 0.32 or 32%.
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