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Question: Answered & Verified by Expert
At a particular locus, the frequency of 'A' allele is 0.6 and that of 'a' is 0.4. What would be the frequency of heterozygotes in a randomly mating population of equilibrium?
BiologyEvolutionNEET
Options:
  • A 0.16
  • B 0.36
  • C 0.48
  • D 0.24
Solution:
1711 Upvotes Verified Answer
The correct answer is: 0.48
According to the Hardy-Weinberg equation,

P2+2PQ+Q2=1

Where, P=  Dominant allele frequency

Q= Recessive allele frequency

P2= Homozygous dominant genotype

2PQ=  Heterozygous genotype

Q2= Homozygous recessive genotype

Here, P = 0.6 and Q = 0.4

Therefore, 2PQ=2×0.6×0.4

=0.48.

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