Red-green color blindness is due to a mutant gene in the x chromosome. an xx female with normal color vision and an xy male with normal color vision have a child with karyotype xxy who is color blind. the likely explanation is that the:
a. father was heterozygous for the color-blindness mutation.
b. mother was heterozygous for the color-blind mutation.
c. father had cnv of the color-blind mutation.
d. mother had cnv of the color-blind mutation.
e. none of the other answer options is correct
Answers: 2
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