Suppose That a Woman with Normal Blood Clotting Mates with a Man

Suppose that a woman with normal blood clotting mates with a man who has X-linked hemophilia. Given that the woman is heterozygous for the trait, which statement best predicts the outcomes of their mating?

A) All the children will have hemophilia.
B) Half the boys and none of the girls will have hemophilia.
C) Half the boys and half the girls will have hemophilia.
D) None of the children should have hemophilia.