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) 0.5
C) 0.25
D) 0

Question

Quizplus · Accepted Answer

The dwarf phenotype can only appear if both alleles are recessive. Since one parent is homozygous dominant (tall), all offspring will receive at least one dominant allele, making it impossible for any offspring to be dwarf.

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