You Are Performing a Fruit Fly Cross Similar to Those

Multiple Choice

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