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NEET UG BIOLOGY MCQ: EVOLUTION
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A population is in Hardy – Weinberg equilibrium for a gene with only two alleles. If the gene frequency of an allele A is 0.7, the genotype frequency of Aa is
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Correct option: B
0.42
Option B (0.42) is correct because it is calculated using the Hardy-Weinberg equation 2pq, where p = 0.7 and q = 0.3.
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