In monkeys, black coat color (B) is dominant over brown color (b). A population
ID: 61003 • Letter: I
Question
In monkeys, black coat color (B) is dominant over brown color (b). A population of monkeys was found to be composed of 67 brown coated individuals and 119 black coated individuals. What is the frequency of the b allele in this population? What is the frequency of the B allele in this population? Based upon the HardyWeinberg formula, what proportion of the population is expected to have the genotype BB? d. Based upon the HardyWeinberg formula, what proportion of the population is expected to bave black coat color? Based upon the HardyWeinberg formula, how many individuals in this population would be expected to have the genotype Bb?
Explanation / Answer
The number of Black coat individual is 119 , out of 186 individuals so the P is 0.63 ,
The number of indivudual with brown coat is 67 , q is 67/186 is 0.3.
using the hardy weinburg equation ;
p 2+ 2pq+q2
P is 0.6 ,q is 0.3 .
[0.63]2 + 2 [0.3]*[0.63] + [ 0.3]2 which is equal to 0.79+0.36+0.77 is equal to 1.9.
The individuals with the homozygous BB allele is 0.79 which is equal to 79 percent
The individual with the heterozygous condition is Bb is 0.36 which is equal to 36percent
The individual with the homozygous bb allele is 77 percent
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