Andalusian chickens with the genotype CBCB are black, those with the genotype CBCW are gray. What is the relationship between the CB and the CW alleles?
A) CB is dominant to CW.
B) CB is recessive to CW.
C) CW is dominant to CB.
D) The relationship is one of incomplete dominance.
E) CB and CW are codominant.
Ans: A) CB is dominant to CW.
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