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What is the only genotype that produces wrinkled green seeds in the F₂ generation?

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Question

What is the only genotype that produces wrinkled green seeds in the F₂ generation?

Options

  • Rryy

  • rryy

  • rrYy

  • RRyy

MCQ
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Solution

Wrinkled green seeds require both recessive alleles for seed shape (rr) and seed color (yy). The only genotype that produces this phenotype is rryy, representing 1 out of 16 combinations in the 9:3:3:1 phenotypic ratio.

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