The partial Punnett square shows a cross between two pea plants with genotypes YY and Yy. The allele for yellow seeds (Y) is dominant, and the allele for green seeds (y) is recessive. How many offspring are expected to have green seeds?

A. None

B. One-quarter

C. All

D. Half

None of them will have green seeds.
If the two genotypes are YY and Yy, the combinations from the Punnett squares will be YY, YY, Yy, and Yy. All of these possible combinations have the dominant trait (yellow seeds), so none of them will have green seeds.
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