Tightly curled hair is caused by a dominant autosomal gene in humans. If a heterozygous curly-haired person marries a person with straight hair, what phenotypes (and in what proportions) are expected in the offspring?

A) 1 curly : 2 straight
B) 3 curly : 1 straight
C) 1 curly : 1 straight
D) 1 curly : 3 straight
E) 2 curly : 1 straight


Answer: C

Biology & Microbiology

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