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Biology · 2025 · 1 mark
CBSE 2025 · Region 6 · Set 2 · Q6
If a natural population of 60 individuals is in Hardy-Weinberg equilibrium for a gene with two alleles B and b, with the gene frequency of allele B…
If a natural population of $\displaystyle 60$ individuals is in Hardy-Weinberg equilibrium for a gene with two alleles B and b, with the gene frequency of allele B of $\displaystyle 0.7$, the genotype frequency of Bb will be :
Official answer
(B)
$\displaystyle 0.42$
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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.