You are performing a fruit fly cross similar to those that Morgan performed. Unfortunately, you forgot to write down the parents of your cross

You count the progeny, and find you have 40 red-eyed males, 80 red-eyed females, and 40 white-eyed males. Assuming that all genotypes from this cross should have equal survival rates, what are the genotypes of the parent flies?

A. XwY and Xw+Xw+
B. XwY and Xw+Xw
C. Xw+Y and Xw+Xw
D. Xw+Y and XwXw


C

Biology & Microbiology

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