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Biology · 2025 · 1 mark
CBSE 2025 · Region 6 · Set 3 · Q3
If a natural population with 200 individuals is in Hardy-Weinberg equilibrium for a gene with two alleles A and a, with the gene frequency of allele…
If a natural population with $\displaystyle 200$ individuals is in Hardy-Weinberg equilibrium for a gene with two alleles A and a, with the gene frequency of allele A of $\displaystyle 0.8$, the genotype frequency of Aa will be :
Official answer
(C)
$\displaystyle 0 \cdot 32$
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CBSE Class 12 Biology past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.