Question

1.In four-o'clock plants, red flower color is dominant to white flower color. However, heterozygous plants have a pink color. If pink-flowered plants are self-crossed, what will be the phenotypic ratios of their offspring?

A. ½ pink, ½ white

B. All pink

C. ½ red, ½ pink

D. ¼ red, ½ pink, ¼ white

E. 1/3 red, 1/3 pink, 1/3 white