Can a son be color blind if his father is color blind: a) maybe, because. the gene for color blindness

Can a son be color blind if his father is color blind: a) maybe, because. the gene for color blindness lies in the y chromosomes) It cannot, if the mother is not a carrier of the gene for color blindness c) can because he is heterozygous for the x chromosomes) cannot, because the gene for color blindness does not inherit.

Mother is healthy and does not carry the gene for color blindness X (H) X (H) father is color blind X (h) Y

gametes: X (H) X (h) Y

first generation: X (H) X (h) daughter is carrier, X (H) Y son is healthy.

Thus, a son cannot be color blind if his mother is healthy and does not carry the gene (correct answer is b).