Question

If a mother is a carrier of the recessive gene (Xx) for hemophilia and

there is a 25% chance of having a child with hemophilia, what must the
father's genotype be?

Answer 1

Answer:If she gets the X chromosome with the hemophilia gene she will be a carrier. So a carrier's daughter has a 50% chance of being a carrier. A woman who is a carrier has: a 25% (one in four) chance of having a daughter who is a carrier.

Step-by-step explanation: