In humans, the allele for red-green color blindness is X-linked and recessive (Xʳ; the dominant allele is called Xᴿ). A man with normal color vision marries a color-blind woman who gives birth to a color-blind daughter. What can be inferred from this information?
A) The woman is XᴿXʳ. B) The man must be a carrier for the color blindness allele. C) The daughter must be heterozygous. D) The man is probably NOT the father of the daughter.