In peas, a dominant allele (R) produces a round pea shape, while a recessive allele (r) produces a wrinkled shape. At a second locus on a different chromosome, a dominant allele (Y) produces yellow colored seeds, while a recessive allele (y) produces green-colored seeds. If a cross between two pea plants produces 1/4 wrinkled seeds and 1/2 yellow seeds, which of the following represents the parental genotypes?

In peas, a dominant allele (R) produces a round pea shape, while a recessive allele (r) produces a wrinkled shape. At a second locus on a different chromosome, a dominant allele (Y) produces yellow colored seeds, while a recessive allele (y) produces green-colored seeds. If a cross between two pea plants produces 1/4 wrinkled seeds and 1/2 yellow seeds, which of the following represents the parental genotypes?

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In peas, a dominant allele (R) produces a round pea shape, while a recessive allele (r) produces a wrinkled shape. At a second locus on a different chromosome, a dominant allele (Y) produces yellow colored seeds, while a recessive allele (y) produces green-colored seeds. If a cross between two pea plants produces 1/4 wrinkled seeds and 1/2 yellow seeds, which of the following represents the parental genotypes?




A. RRYY X rryy
B. RrYy X rryy
C. RrYy X Rryy
D. RrYy X RrYy
E. Rryy X Rryy


Answer: C. RrYy X Rryy


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