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 F₁ cross 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 ​