Answer
The dominant alleles for purple flowers in pea plants overshadow the recessive alleles for white flowers. The purple color can arise from two genotypes: PP and Pp, where P denotes the dominant purple gene and p signifies the recessive white gene. Crossing two heterozygous parents for purple flowers results in the following progeny genotypes: PP, 2 x Pp, and pp. The Punnett square illustrating these genotypes is shown below.
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