Problem: Hemopphilia is an X-linked recessive disorder in humans. If a heterozygous woman has children with an unaffected man, what are the odds of the following combinations of children?A. An affected son.B. Four unaffected offspring in a row.C. An unaffected daughter or son.D. Three out of five offspring that are affected

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Being an X-linked recessive disorder, hemophilia can follow the Punnet square below:

For this problem, I will assume that the affected individuals include the daughter who is a carrier.

A. Based on the diagram, sons will have 1 in 2 chances of being affected. That's 50%.

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Problem Details

Hemopphilia is an X-linked recessive disorder in humans. If a heterozygous woman has children with an unaffected man, what are the odds of the following combinations of children?

A. An affected son.

B. Four unaffected offspring in a row.

C. An unaffected daughter or son.

D. Three out of five offspring that are affected