Question

a geneticist studying the population genetics of barn swallows is particularly interested in one specific gene. upon examining the 100 alleles present in 50 individuals, you find that one allele is quite common, accounting for 30 of those alleles. the allelic frequency of this allele is a. 0.3. b. 0.5. c. 0.6. d. 2.0. e. 3.3.

Answer 1

The allelic frequency of the most common allele in the population of barn swallows will be 0.3.

Allelic frequency is defined as the occurrence of a particular allele in a whole population. This can be calculated by dividing the number of times an allele occurs in the population by the total alleles of that population. Alleles can be defined as the different forms a gene that are the products of mutation.

According to the question.

Total alleles in the population = 100

Number of times the most common allele occurs = 30.

Therefore, allelic frequency = 30 / 100

Allelic frequency = 0.3

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