In 1997, a Gene Called Le Was Discovered by Two

question 37

Multiple Choice

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

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Definitions:

Greatest Density

Refers to the area in a distribution or data set where points are most tightly clustered.

Normally Distributed

Describes a statistical distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Gasoline Prices

The cost per unit of gasoline, which can fluctuate based on factors such as crude oil prices, supply and demand, taxes, and market speculation.

Standard Normal Distribution

A normal distribution with a mean of zero and a standard deviation of one, used in many statistical methods.