In a subsequent cross between a heterozygous red-eyed female (XWXw) and a red-eyed male (XWY), what will be the eye color of the F2 offspring?
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You cross a wild-type female (red eyes) with a white eyed male. Recall that the gene that controls eye color is located on the X chromosome and red (Xw+___) is dominant to white (XwXw, XwY). You observe in the offspring that half of the females are wild type and half have white eyes. The same is true for the males, half are wild type and half have white eyes. What was the female’s genotype? 1 Xw+Xw 2 Xw+Xw+ 3 XwXw 4 Xw+Y
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