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24 July, 14:46

An F1 plant that is homozygous for shortness is crossed with a heterozygous F1 plant. What is the probability that a seed from the cross will produce a tall plant?

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  1. 24 July, 15:03
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    50% (0.5)

    Explanation:

    homozygous shortness = tt

    heterozygous F1 plant = Tt

    crossing them will yield

    tt Tt

    Tt (tall seed) tt (short seed) Tt (tall seed) tt (short seed)

    the ratio is 1 to 1

    the probability for tall seed = 1/2 * 100 = 50%
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