In Thomas Hunt Morgan's Experiments, Males Had White Eyes but Females

Multiple Choice

In Thomas Hunt Morgan's experiments, males had white eyes but females did not. What cross could you perform with his flies to obtain white-eyed females?

A) cross the F₁ offspring to each other.
B) cross an F₁ female to a white-eyed male.
C) cross an F₂ female with an F₁ male.
D) cross an F₂ female with a white-eyed male.
E) crossing either the F₁ or F₂ females with a white-eyed male will produce some white-eyed females.