In peas,yellow is dominant over green in seeds.With which of these is it best to cross a yellow-seeded pea plant to determine whether it is homozygous or heterozygous?
A)a green-seeded plant
B)a heterozygous yellow-seeded plant
C)a pure yellow-seeded plant
D)a heterozygous yellow-seeded plant or a pure yellow-seeded plant
E)There is no way to determine if the plant is pure or hybrid.

Question

Quizplus · Accepted Answer

Crossing with a green-seeded plant (recessive) will reveal if the yellow-seeded plant is homozygous (all offspring yellow) or heterozygous (some offspring green).

In Peas,yellow Is Dominant Over Green in Seeds