High School

Consider a population of speckled ducks. You count the number of genotypes at the FEATHER locus, which has two alleles: F and f.

66 ducks are FF, 103 ducks are Ff, and 74 ducks are ff.

What is the estimated frequency of the F allele in this population?

Answer :

The estimated frequency of the F allele in a population of speckled ducks is calculated to be approximately 0.483.

To find the frequency of the F allele, we need to calculate the total number of alleles. Each duck has two alleles, so the total number of alleles in the population is 2*(66 + 103 + 74) = 486.

The F allele appears twice in FF ducks and once in Ff ducks. Therefore, the number of F alleles is 2*66 + 103 = 235.

The frequency of the F allele (p) is 235/486 ≈ 0.483.

Thus, the estimated frequency of the F allele in the population is approximately 0.483.

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