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31 March, 13:21

Mendel crossed yellow-seeded and green-seeded pea plants and then allowed the offspring to self-pollinate to produce an f2 generation. the results were as follows: 6022 yellow and 2001 green (8023 total). the allele for green seeds has what relationship to the allele for yellow seeds?

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  1. 31 March, 13:46
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    So Mendel got roughly 75% yellow and 25% green in f2. This means that f1 contains all heterozygous genes, as shown below

    Y y

    Y YY Yy

    y Yy yy

    Summary: 75% YY or Yy, 25% yy

    Which means that green (y) is a recessive phenotype, while yellow (Y) is a dominant phenotype, since plants with heterozygous genotype Yy express the yellow trait.
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