Question

Hemophilia is a recessive trait carried on the X chromosome. What are the genotype and phenotype ratios of a cross between a normal woman who is a carrier for hemophilia and a man who is normal?

Answer 1

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Step-by-step explanation:

A man who has hemophilia and a woman who is a carrier have: a 25% (one in four) chance of having a son with hemophilia. a 25% chance of having a son with normal blood clotting.