In 1997, a gene called Le was discovered by two research groups led by David Martin and Diane Lester. Allelic variation in the Le gene, which controls elongation of the plant stem between branches, is responsible for which trait in peas?
A)inflated and constricted pod shape
B)yellow and green pod color
C)purple and white flowers
D)tall and short plant height
E)axial and terminal flower position

Question

Quizplus · Accepted Answer

The Le gene controls elongation of the plant stem between branches, which ultimately determines the height of the plant. Therefore, allelic variation in this gene is responsible for the tall and short plant height trait in peas.

In 1997, a Gene Called Le Was Discovered by Two