Ciara Rogers

Biology

26 December, 22:57

Red-green colorblindness in humans is a sex-linked trait. If a woman with normal vision, whose father was colorblind, married a man whose mother was colorblind, what would be the probability of their first child being a colorblind girl?

(A) 0 percent

(B) 12.5 percent

(C) 25 percent

(D) 50 percent

(E) 100 percent