In pea plants, purple flower color is caused by a dominant gene, and white flower color is caused by a recessive gene. the genotype for purple flower color is pp or pp, and the genotype for white flower color is pp. a plant with purple flowers and the genotype pp is crossed with a plant with white flowers and the genotype pp. what is the probability that the offspring of these plants will have white flowers?
O 100%
O 75%
O 25%
O 50%