When Morgan Crossed a Red-Eyed Female with a White-Eyed Male,which

question 19

Multiple Choice

When Morgan crossed a red-eyed female with a white-eyed male,which results made Morgan think that the locus affecting eye color was on the X chromosome?

• A)All F1 male and female flies had red eyes.
• B)All F1 male and female flies had white eyes.
• C)In the F2,all females had red eyes,and half of the males had red eyes and the other half had white eyes.
• D)In the F2,half of males and females had red eyes and the other half had white eyes.
• E)F2 generations were sterile.

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