Question

Hemophilia is a sex-linked disorder. Males who receive the allele are always affected. Females are affected only 25% of the time. Which kind of inheritance must hemophilia display and why?(1 point) Responses Y-linked recessive because the males that receive the allele sometimes have hemophilia. Y-linked recessive because the males that receive the allele sometimes have hemophilia. Y-linked dominant because all males with the allele have hemophilia. Y-linked dominant because all males with the allele have hemophilia. X-linked recessive because all males with the allele have hemophilia, and only some females if they receive two recessive alleles. X-linked recessive because all males with the allele have hemophilia, and only some females if they receive two recessive alleles. X-linked dominant because everyone with the allele has hemophilia. X-linked dominant because everyone with the allele has hemophilia.

Answer 1

X-linked recessive because all males with the allele have hemophilia, and only some females if they receive two recessive alleles.