In a population in Hardy-Weinberg equilibrium, if the frequency of the homozygous dominant genotype (AA) is 0.64, what is the frequency of the dominant allele (A)?
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Always distinguish between allele frequencies (\(p\), \(q\)) and genotype frequencies (\(p^2\), \(2pq\), \(q^2\)).
Taking the square root of the homozygous dominant genotype frequency (\(p^2\)) directly yields the dominant allele frequency (\(p\)).