In Domestic Chickens, Some Males Display a Plumage Pattern Called

question 21

Multiple Choice

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 heterozygous birds are mated. What fraction of the total offspring is expected to exhibit cock feathering?

• A) 0
• B) 1/8
• C) 1/4
• D) 1/2
• E) 3/4

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