MCAT Question A Day - 9/27/14

Colorblindness is a sex-linked recessive trait. A woman is horn colorblind. What can be said with certainty?

A. Her father and mother are colorblind.

B. Her mother and daughter are colorblind.

C. Her father and son are colorblind.

D. Her father is colorblind, but her son mayor may not be.

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