In pea plants, the tall phenotype is dominant to the dwarf phenotype. If a heterozygous pea plant is crossed with a homozygous tall pea plant, what is the probability that the offspring will be dwarf in size?
A) 1
B) 1/2
C) 1/4
D) 0

Question

Quizplus · Accepted Answer

A heterozygous tall plant (Tt) crossed with a homozygous tall plant (TT) will produce offspring that are either TT or Tt, both of which are tall. There is no possibility of a dwarf (tt) offspring, so the probability is 0.

In Pea Plants, the Tall Phenotype Is Dominant to the Dwarf