Biology, 18.03.2021 03:00, electrofy456

Could artificial selection occur without natural variation?

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Biology, 22.06.2019 19:20, chikooo

3. in the fruit fly, recessive mutation brown, b, causes brown color of the eye and absence of red pigment. recessive mutation p of another independent gene causes purple color of the eye and absence of brown pigment. the cross of a brown-eyed female and purple-eyed male produced wild type eyes. what will be the colors and their ratio in f2?