A breeder of cattle has a herd of white cows and a roan bull. Hair color in this breed is controlled by an incompletely dominant gene. The two homozygous forms are either red or white, and the heterozygous is roan. What colors of calves are expected and in what proportions?
A. All white
B. All red
C. 1/2 white, 1/2 roan
D. 1 white, 2 roan, 1 red
E. 1/2 white, 1/2 red
Answer: C
Biology & Microbiology
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