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) yellow and green pod color
B) inflated and constricted pod shape
C) axial and terminal flower position
D) tall and short plant height
E) purple and white flowers

Question

Quizplus · Accepted Answer

The Le gene controls the elongation of the plant stem between branches, which directly affects the overall height of the plant, making tall and short plant height the trait it influences.

In 1997, a Gene Called Le Was Discovered by Two