GENETICS AND EVOLUTION
GENETIC BASIS OF INHERITANCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Hemophilia is a sex-linked recessive trait found on the x chromosome. Complete a cross between a woman who is a carrier and a man who is normal.What are the chances, if they have a daughter, that she is a carrier?
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100%
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75%
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50%
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25%
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Explanation:
Detailed explanation-1: -Hemophilia is a sex-linked recessive disorder. The abnormal gene responsible for hemophilia is carried on the X chromosome. Males have one X chromosome and one Y chromosome.
Detailed explanation-2: -Hemophilia Carriers A female who inherits one affected X chromosome becomes a “carrier” of hemophilia. She can pass the affected gene on to her children. In addition, a female who is a carrier sometimes can have symptoms of hemophilia.
There is 1 question to complete.