In domestic chickens, some males display a plumage pattern called cock feathering.Other males and all females display a pattern called hen feathering.Cock feathering is an autosomal recessive trait that is exhibited in males only.Two birds heterozygous for cock feathering are mated.What are the phenotypes of the parents?

Question

Quizplus · Accepted Answer

Since cock feathering is an autosomal recessive trait that is only exhibited in males, both parents must be heterozygous and thus display the dominant phenotype, which is hen feathering.

In Domestic Chickens, Some Males Display a Plumage Pattern Called