Question

a plant with purple flowers (pp) is crossed with a plant with white flowers (pp), resulting in offspring with purple flowers. the allele for purple color is recessive dominant codominant heterozygous

Explanation:

In genetics, when a homozygous dominant (PP) plant with purple flowers is crossed with a homozygous recessive (pp) plant with white flowers and all offspring have purple flowers, the allele for purple color is dominant. A dominant allele is expressed in the phenotype even when only one copy is present.

Answer:

dominant