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18. In humans, hemophilia is inherited as a recessive allele linked to the X chromosome (Xb.
Hemophilia is a disorder that results in the failure of blood to clot. A man and a woman who are
both normal clotters have three children named Amy, Harry and Mary. Harry is a hemophiliac,
who has a normal clotting daughter. Mary has normal clotting blood and she has two sons, one
of whom is a hemophiliac. Amy and her five sons are all normal clotters. What are the probable
genotypes for the 2 grandparents, 3 children and 8 grandchildren?
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18. In humans, hemophilia is inherited as a recessive allele linked to the X chromosome (Xb.
Hemoph...
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