A population of dragonflies with emerald body and amber body is in Hardy Weinberg equilibrium. If the allelic frequency of E is 0.37 what is genotypic frequency of heterozygous?

Therefore the genotypic frequency of heterozygous is 0.4662

Explanation:

The dragon files has emerald body and amber body. Let the emerald body(E) be the dominant and the amber body (A) be the recessive allele. According to  Hardy Weinberg equilibrium:

E² + 2EA + A² = 1 and

E + A = 1

Since E = 0.37

Therefore; A = 1 - E = 1 - 0.37 = 0.63

The Frequency of the amber body = 0.63

The genotypic frequency of heterozygous = 2EA = 2 × 0.37 × 0.63 = 0.4662

Therefore the genotypic frequency of heterozygous is 0.4662

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