Which of the following statements explains why all of the F1 females from a cross between a red-eyed homozygous female and a white-eyed male are heterozygous?
A. The male parent provides them with a
white-eye allele on the X and a red-eye allele
on the Y.
B. The male parent provides them with a
white-eye allele on the X, and the female
parent provides them with a red-eye allele on
the Y.
C. The male parent provides them with a
white-eye allele on the X, and the female
parent provides them with a red-eye allele on
the X.
D. The female parent provides two X
chromosomes to each daughter who both
carry the red-eye allele.
E. None of the answer options is correct.
C
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