Question

Hemophilia is a sex-linked recessive disorder (on the X chromosome), well-known for its high rate of incidence in European monarchies. If a father with hemophilia and a mother who is a carrier for hemophilia have children, which of the following is true about the children's chances of having hemophilia? Check all that apply.Choice 1 of 4:Choice 1 of 4:Sons have a 50% chance of having hemophiliaChoice 2 of 4:Daughters have a 50% chance of having hemophiliaChoice 3 of 4:If one child is born with hemophilia, the next child has a 50% chance of having hemophiliaChoice 4 of 4:All children born without hemophilia will be carriers for the mutated gene

Answer 1

If a father has hemophilia and the mother is a carrier then the right answers are:

Sons have a 50% chance of having hemophilia.

Daughters have a 50% chance of having hemophilia.

If one child is born with hemophilia the next child has a 50% chance of having hemophilia