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22 May, 02:25

If a female fruit fly heterozygous for red eyes (XRXr) crossed with a white-eyed male (XrY), what percent of their offspring would have white eyes?

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  1. 22 May, 02:49
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    50%

    Explanation:

    Hello!

    We can observe that:

    R red eyes

    r white eyes

    The possible gametes for the female are XR and Xr.

    The possible gametes for the male are Xr and Y

    Xr Y

    XR XRXr XRY

    Xr XrXr XrY

    The expected offspring is:

    a red-eyed female (XRXr)

    a red-eyed male (XRY)

    A female with white eyes (XrXr)

    A white-eyed male (XrY)

    Success in your homework!
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