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Q.

In a population of 1,000 individuals,  600 are homozygous Rh+ (DD), 240 are heterozygous Rh+ (Dd) and 160 are Rh- (dd). The frequency of recessive allele (d) in that population is

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a

0.32

b

0.56

c

0.16

d

0.28

answer is D.

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Detailed Solution

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Frequency of recessive allele (q) =2 (No. of recessive individuals)+ No. of heterozygotes 2 (Total no. of individuals)2 (160) + 2402 (1000)= 0.28

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