The following question is a sex-linked trait. Review the patterns of inheritance of sex-linked traits before answering the following questions. Make sure to indicate chromosomes and alleles in your answers when necessary. Hemophilia is a caused by a recessive allele found on the X chromosome in humans. The recessive allele (Xh) is associated with abnormal blood clotting (hemophilia), while the dominant allele (XN) causes normal blood clotting.

A woman with normal blood clotting had a father who had hemophilia. What is the woman's genotype?

XNXN

XNXh

XNY

XhXh

XNYh