OBJECTIVE LIFE SCIENCE
GENETICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Hemophilia is a sex-linked condition. If a man with hemophilia has children with a woman who is a carrier, what percentage of their children will have the disorder?
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0%
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25%
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50%
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100%
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Explanation:
Detailed explanation-1: -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. a 25% chance of having a daughter who is a carrier.
Detailed explanation-2: -Hemophilia (h) is a sex-linked recessive trait. If a hemophiliac male marries a carrier female, a. 75% of their sons will be hemophiliac.
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