In Garden Peas, the Allele for Tall Plants Is Dominant

Multiple Choice

In garden peas, the allele for tall plants is dominant over the allele for short plants.A true-breeding tall plant is crossed with a short plant, and one of their offspring is test crossed.Out of 60 offspring resulting from the test cross, _______ should be short.

A) 0
B) about 15
C) about 30
D) about 45
E) about 60