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Chromosomes

in a certain ...

Question

in a certain population the frequency of 3 genotypes is as follows:
Genotype: BB Bb bb
Frequency: 22% 62% 16%
what is the likely frequency of Bb?

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Solution

Frequency of B = All of BB + ½ of Bb = 22 +31 = 53%
Frequency of b = All of bb + ½ of Bb = 16 + 31 = 47%

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