Question

a gene in a randomly-mating population has two alleles (a,a), and the allele frequency of a is 0.65. calculate the frequency of homozygous recessive individuals (aa) in the population. 0.2275 0.35 0.455 0.4225 0.1225

Explanation:

Step1: Define allele frequencies

Let $p = 0.65$ (frequency of A), so $q = 1 - p = 1 - 0.65 = 0.35$ (frequency of a).

Step2: Calculate aa frequency

The frequency of aa is $q^2 = 0.35^2 = 0.1225$.

Answer:

0.1225