Genotype of woman: Bb X^C X^c <span>Genotype of man: bb X^C Y </span>
<span>Probability of brown eyes = 1/2 </span> <span>Probability of colorblind male = 1/4 </span> <span>Probability of brown-eyed colorblind male = 1/2 X 1/4 = 1/8 </span>
<span>2. Genotypes are the same as before. You know the fetus is a boy. So, he has a 50% chance of being colorblind.
