Question

1. assume that a population of 50 individuals has the following numbers of genotypes for a gene with two alleles, b and b: bb=30, bb-10, and bb=10. calculate the frequencies of the two alleles in the population’s gene pool.

Explanation:

Step1: Calculate total alleles

Each individual has 2 alleles, so total alleles = \(50\times2 = 100\).

Step2: Calculate B allele count

BB has 2 B alleles, Bb has 1 B allele. So B count = \(30\times2 + 10\times1 = 60 + 10 = 70\).

Step3: Calculate B frequency

B frequency = \(\frac{70}{100}=0.7\).

Step4: Calculate b allele count

bb has 2 b alleles, Bb has 1 b allele. So b count = \(10\times2 + 10\times1 = 20 + 10 = 30\).

Step5: Calculate b frequency

b frequency = \(\frac{30}{100}=0.3\).

Answer:

Frequency of B allele is \(0.7\), frequency of b allele is \(0.3\)