Red coat is dominant in horses and white coat is recessive. In a cross between a homozygous dominant red-coated
horse and a white-coated horse, what genotype(s) would be observed in the offspring?
a. all homozygous recessive
b. all homozygous dominant
c. half homozygous dominant and half homozygous recessive
d. all heterozygous
e. half heterozygous and half homozygous dominant
ANSWER: d
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