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10 November, 22:03

If 2 heterozygous pea plants with yellow round seeds are crossed, what is the ratio of the yellow round seed?

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  1. 10 November, 22:11
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    If two heterozygous pea plants are crossed with yellow round seeds, the resulting progeny mostly show the dominant phenotype.

    Explanation:

    Plants with two different alleles of a gene are heterozygous. As all the heterozygous offspring are yellow, then the yellow allele must be dominant over the recessive green allele.

    Y y

    Y YY Yy

    y Yy yy
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