In Mendel's Work with Peas,an F₁ Hybrid (Smooth Yellow)was Crossed

Multiple Choice

In Mendel's work with peas,an F₁ hybrid (smooth yellow) was crossed to the recessive (wrinkled green) parent type.In terms of color,what were the frequencies of the phenotypes in the offspring of this cross?

A) all green
B) all yellow
C) 1/2 green and 1/2 yellow
D) 3/4 yellow and 1/4 green
E) none of the above