Hemophilia Is an X-Linked Recessive Trait in Humans

Multiple Choice

Hemophilia is an X-linked recessive trait in humans. If phenotypically normal parents have children without hemophilia, pedigree analysis

A) could demonstrate that neither parent carries the hemophiliac allele.
B) would show that none of their children is a carrier of the hemophilia allele.
C) would show that none of their children could have hemophiliac children.
D) would not be able to show the exact genotypes of the parents or children.