Problem: Sex chromosomes in birds are referred to as “W” and “Z”, with females being the heterogametic sex and males being homogametic for the Z chromosome. In chickens, the allele for feather color is Z-linked with black feathers dominant to red feathers. If a rooster that is heterozygous for black feathers mates with a red hen, what is the probability that their chicks will be red hens?a. 1/4b. 1/2c. zerod. 1/1e. 1/18

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Sex chromosomes in birds are referred to as “W” and “Z”, with females being the heterogametic sex and males being homogametic for the Z chromosome. In chickens, the allele for feather color is Z-linked with black feathers dominant to red feathers. If a rooster that is heterozygous for black feathers mates with a red hen, what is the probability that their chicks will be red hens?

a. 1/4

b. 1/2

c. zero

d. 1/1

e. 1/18

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Based on our data, we think this problem is relevant for Professor Patterson's class at TEXAS.