The frequency of a recessive X-linked allele is equal to the phenotypic frequency of males exhibiting that allele.

Question

Quizplus · Accepted Answer

This statement is true because males only have one X chromosome, and if they inherit the recessive allele on that X chromosome, they will exhibit the phenotype. In females, the presence of a dominant allele on the other X chromosome can mask the effects of the recessive X-linked allele. Therefore, the phenotypic frequency of males exhibiting the allele is equal to the frequency of the allele itself in the population.

The Frequency of a Recessive X-Linked Allele Is Equal to the Phenotypic