Many of the Color Varieties of Summer Squash Are Determined

Multiple Choice

Many of the color varieties of summer squash are determined by several interacting loci: AA or Aa gives white,aaBB or aaBb gives yellow,and aabb produces green.Assume that two fully heterozygous plants are crossed.Give the phenotypes with frequencies of the offspring.

A) 4 white :9 yellow : 3 green
B) 12 white : 3 yellow : 1 green
C) 9 white : 3 yellow : 4 green
D) 3 white : 9 yellow : 4 green
E) 12 white : 1 yellow : 3 green