Hemophilia is a recessive X-linked genetic disease. A father who has hemophilia will give the defective allele to ___________
a) all of his daughters and none of his sons.
b) none of his daughters and all of his sons.
c) 1/2 of his daughters and none of his sons.
d) all of his daughters and 1/2 of his sons.
Ans: a) all of his daughters and none of his sons.
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