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.

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

Do mutations in body cells contribute to genetic variation?(1 point)

Responses

Yes, these body cell mutations lead to mutations in the gametes.
Yes, these body cell mutations lead to mutations in the gametes.

Yes, the mutations can be passed on to offspring and contribute to variation in the population.
Yes, the mutations can be passed on to offspring and contribute to variation in the population.

No, the mutations cannot be passed to offspring and only affect the individual.
No, the mutations cannot be passed to offspring and only affect the individual.

No, the causes of body cell mutations are outside the body and cannot alter DNA.
No, the causes of body cell mutations are outside the body and cannot alter DNA.

No, the mutations cannot be passed to offspring and only affect the individual.