What is the chance a female carrier for a gene mutation on her X chromosome for hemophilia will pass the gene mutation on to her son, who would be affected?
A) 25%
B) 50%
C) 75%
D) 100%
Ans: B
Feedback: In X-linked recessive inherited conditions, a female carrier has a 50% chance to pass on the gene mutation to a son, who would be affected, or to a daughter, who would be a carrier like her mother.
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