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colleen colleen
wrote...
Valued Member
Posts: 17077
10 years ago
Hemophilia, color blindness, and Duchenne muscular dystrophy occur more often in males than females. Why?
A) These traits are carried only on the X chromosome.
B) Since there is no matching gene on the Y chromosome, the traits are expressed more readily in males.
C) Testis-determining factor (TDF) causes these diseases.
D) These diseases develop due to the lack of estrogen and progesterone.
E) These traits are carried only on the X chromosome and since there is no matching gene on the Y chromosome, the traits are expressed more readily in males.
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ehd123ehd123
wrote...
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Posts: 778
10 years ago
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B.Sc in Biology
M.Sc Neuroscience
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