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7 January, 12:49

A plant grown from a [round, yellow] seed is crossed with a plant grown from a [wrinkled, yellow] seed. This cross produces four progeny types in the F1: [round, yellow], [wrinkled, yellow], [round, green], and [wrinkled, green]. Use this information to deduce the genotypes of the parent plants.

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  1. 7 January, 12:50
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    AaBb x aaBb

    or

    aaBb x AaBb

    Explanation:

    A - round seed

    a - Wrinkled seed

    B - Yellow seed

    b - Green seed

    P: AaBb x aaBb

    G: AB, Ab, aB, ab x aB, ab

    F1: AaBB, 2AaBb, Aabb, aaBB, 2aaBb, aabb

    AB Ab aB ab

    aB AaBB AaBb aaBB aaBb

    ab AaBb Aabb aaBb aabb

    OR

    A - Wrinkled seed

    a - Round seed

    B - Yellow seed

    b - Green seed

    P: aaBb x AaBb

    G: aB, ab x AB, Ab, aB, ab

    F1: AaBB, 2AaBb, Aabb, aaBB, 2aaBb, aabb

    aB ab

    AB AaBB AaBb

    Ab AaBb Aabb

    aB aaBB aaBb

    ab aaBb aabb
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