If purple flowers are dominant in a plant and white flowers are recessive in that plant, then when purple-flowered
plants with two dominant genes are mated with white-flowered plants with two recessive genes, the first
generation of offspring should have

All purple flowers

Explanation: Set up a Punnett square with P for the dominant gene and p for the recessive. The purple-flowered plant would be PP and the white- flowered plant would be pp. All of the offspring would have the genotype Pp. Since purple (P) is dominant, all of them would be purple.

the correct answer is b