A true-breeding strain of tall soybean plants is crossed with a true-breeding strain of short soybean plants.All the offspring are short.Thus, tall is a _______ trait.
A) dominant
B) dihybrid
C) genotypic
D) monohybrid
E) recessive

Question

Quizplus · Accepted Answer

The fact that all the offspring are short indicates that the trait for shortness is dominant over the trait for tallness. This makes tallness a recessive trait.

A True-Breeding Strain of Tall Soybean Plants Is Crossed with a True-Breeding