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    Punnett Square Explanation and Genetic Answers

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    3.Punnett square for eye color in fruit flies for a cross between a white-eyed female and a red-eyed male. Red eye color is dominant. The eye color gene is carried on the X chromosome. The simulation will show what ratio of their off-spring would be white-eyed and red-eyed, and what ratio of each of these would be male and female. Draw the square and explain the cross.

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    https://brainmass.com/biology/genetics/punnett-square-explanation-genetic-answers-22892

    Solution Preview

    See the attached file.

    Female, white eye: X-X-
    Male, red eye: X+Y
    (where - is recessive allele for white eye, and + stands for dominant red eye)
    Female can only contribute X- because that's all she has. ...

    Solution Summary

    The solution draws the square and explains the cross.

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