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16 May, 06:07

Round seeds (R) are dominant to wrinkled seeds (r), and yellow seeds (Y) are dominant to green seeds (y). A true-breeding plant with round and yellow seeds is crossed to a true-breeding plant with wrinkled and green seeds. What is the genotype of the F1 progeny?

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  1. 16 May, 06:52
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    RrYy (all yellow seeds).

    Explanation:

    Mendel is known as the father of genetics. He explained the concept of dominance, law of segregation and law of independent assortment by crossing the pea plants.

    A true breeding plants has been crossed with (RRYY) round and yellow seeds with rryy (wrinkled and green seeds). Their cross can be shown as below.

    Parents RRYY * rryy

    Gametes RY ry

    F1 progeny RrYy (All round and yellow seeds)

    Thus, the genotype of the progeny is RrYy.
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