Two plants are crossed, resulting in offspring with a 3:1 ratio for a particular trait. This ratio suggests that ________.
A) the parents were true-breeding for contrasting traits
B) the particular trait shows incomplete dominance
C) a blending of traits has occurred
D) the parents were both heterozygous for the particular trait
E) each offspring has the same alleles for each of two different traits

Question

Quizplus · Accepted Answer

A 3:1 ratio is indicative of a Mendelian inheritance pattern for a single trait, which shows that both parents were heterozygous for the particular trait.

Two Plants Are Crossed, Resulting in Offspring with a 3:1