Question

Red-green color blindness is caused by an X-linked recessive gene. Which of these statements best predicts the possible offspring of a mother that is an unaffected carrier of the gene that causes red-green color blindness and a father with normal color vision?

A.
100% of their female offspring will be red-green colorblind.
B.
50% of their male offspring will be red-green colorblind.
C.
100% of their male offspring will be red-green colorblind.
D.
50% of their female offspring will be red-green colorblind.