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Hemophilia is a sex-linked trait. A woman who is a carrier for hemophilia marries a non-hemophilic man. What is the chance that their male offspring will have the disease?

Sagot :

Answer:

A woman who is a carrier has: a 25% (one in four) chance of having a daughter who is a carrier. a 25% chance of having a son with hemophilia. and a 50% chance of having a child (boy or girl) who does not have the gene for hemophilia at all

Explanation: