In pea plants, round peas are dominant (R) and shriveled peas are recessive (r), and yellow peas (shown as light gray in the Punnett square) are dominant (Y) and green peas (dark gray) are recessive (y). Using this information and the partial Punnett
square shown, what were the phenotypes of the parental plants that were used in this cross by Mendel?
A) Rryy and RrYy
B) Rryy and rrYy
C) RRyy and rryy
D) RrYy and RrYy
Answer: A
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