Classical hemophilia, or hemophilia a, is a genetic disorder in which blood fails to clot. in one family, males are shown to carry and express the defective allele in every other generation, while females seem unaffected. based on the information given it could be concluded that hemophilia is
a) a disease caused by bacteria.
b) a sex-linked, dominant genetic disorder.
c) an paleozoic, dominant genetic disorder.
d) a sex-linked, recessive genetic disorder.