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  4. In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by

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Q. In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by

NEETNEET 2016Evolution

Solution:

Hardy-Weinberg principle states that the allele frequencies in a population are stable and remain constant from generation to generation.
This can be expressed by the equation
$p^2 + 2pq + q^2 = 1$ or $(p + q)^2 = 1$
where, p 1 represents frequency of homozygous dominant genotype, $2pq$ represents the frequency of heterozygous genotype and $q^2$ represents the frequency of homozygous recessive genotype.