Suppose that you examine a vial of 100 flies that are all offspring from a single genetic cross. Suppose also that you see that all the females present are red-eyed and all the males present are white-eyed. The allele for red eye colour (Xw+) is dominant over the allele for white eye colour (Xw) . Which of the following describes the genotypes of the parents?
A) Xw+Xw; XwY
B) XwXw; Xw+Y
C) Xw+Xw+; XwY
D) Xw+Xw; Xw+Y
Correct Answer:
Verified
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A) failure