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Arturiano [62]
3 years ago
5

A geneticist collected data of a population of mice. Of the 50 mice, 12 were homozygous black (BB), 24 were heterozygous black (

Bb), and 14 were brown (bb).
What are the allele frequencies for the (B) and (b) alleles in this population?

A. B = 0.32; b = 0.68
B. B = 0.36; b = 0.64
C. B = 0.48; b = 0.52
D. B = 0.45; b = 0.55
Biology
1 answer:
Sauron [17]3 years ago
6 0

Answer:

option C: B = 0.48; b = 0.52

Explanation:

Of the 50 mice, 12 were homozygous black (BB), 24 were heterozygous black (Bb), and 14 were brown (bb).

BB        Bb       bb    Total

12     +  24    +  14   =  50

the formular for alleleic frequency (p) is (BB+ Bb/2) / total,

q = (bb + Bb/2) / total

Allelic frequecy of B (p) is (12 + 24/2) /50 = 12 + 12 = 24/50 = 0.48

Allelic frequency of b (q) is (14 + 24/2) / 50= 14 + 12 = 26/50 = 0.52

check p + q = 1; 0.48 + 0.52 = 1

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