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9 November, 02:43

When the F1 plants are allowed to self fertilize, they produced both yellow and green peas in the next generation. How is this explained?

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  1. 9 November, 05:54
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    In F2 generation homozygous dominant, heterozygous dominant and homozygous recessive offspring are obtained so they produced both yellow and green peas in the next generation

    Explanation:

    After the cross between two pure breeds having yellow and green pea all the offsprings in the F1 generation were heterozygous dominant for yellow peas.

    Y Y

    y Yy Yy

    y Yy Yy

    So when these F1 plants are crossed than three types of genotype will be produced that is homozygous dominant (YY), heterozygous dominant (Yy), and homozygous recessive.

    Y y

    Y YY Yy

    y Yy yy

    So homozygous dominant and heterozygous dominant offspring will produce yellow peas because yellow is the dominant trait and homozygous recessive offspring will produce green peas.
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