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Recall that in Morgan\'s experiments with fruit flies, eye color is a sex-linked

ID: 60498 • Letter: R

Question

Recall that in Morgan's experiments with fruit flies, eye color is a sex-linked trait. Based on the results of Morgan's experiments, what would be the expected phenotypic results of a cross between a white-eyed female and a red-eyed male? You may find it helpful to draw a Punnett square to help you find the answer.

Select one:

A. All females would have red eyes, and all males would have white eyes.

B. 25% red-eyed females, 25% white-eyed females, and 50% white-eyed males

C. 50% red-eyed females, 25% red-eyed males, and 25% white-eyed males

D. 25% red-eyed females, 25% white-eyed females, 25% red-eyed males, and 25% white-eyed males

E. 100% red-eyed females

Explanation / Answer

The answer is

50% red-eyed females, 25% red-eyed males, and 25% white-eyed males (C)