Mendel Crossed True-Breeding Plants Having Yellow Peas with True-Breeding Plants

Multiple Choice

Mendel crossed true-breeding plants having yellow peas with true-breeding plants having green peas. The resulting plants all had yellow peas. An F₁cross resulted in 3/4 of the plants having yellow peas and 1/4 of the plants having green peas. What does this tell you about the alleles for color?

A) Yellow is usually the dominant color, but sometimes green can be dominant.
B) Green is the dominant color.
C) Yellow is the dominant color.
D) Yellow is the recessive color.
E) Yellow and green are codominant.