In Pea Plants, Yellow Seed Color Is Dominant to Green

Multiple Choice

In pea plants, yellow seed color is dominant to green and wrinkled seed texture is dominant to smooth. In a dihybrid cross between two heterozygous plants with yellow, wrinkled seeds, if the two alleles assort independently, what is the probability that an offspring will have smooth, yellow seeds?

A) 0
B) 9/16
C) 3/16
D) 1/16
E) 1/4