You Have Discovered a Strain of E

question 25

Multiple Choice

You have discovered a strain of E. coli that grows very slowly-the generation time is nearly 12 hours compared to the normal 20-30 minutes. Upon further investigation, you find a mutation in the DNA polymerase III gene. What subunit of the holoenzyme does this mutation affect the most?

• A) α
• B) β
• C) ε
• D) δ

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Definitions:

Heritability Coefficient

A statistical estimate that indicates how much of the variation in a trait within a population can be attributed to genetic differences among individuals.

Genetic Influences

The impact of genes inherited from one's parents on physical traits, behaviors, and susceptibility to certain conditions.

Behavior Geneticist

A scientist who studies the genetic and environmental influences on behaviors, often through twin studies and adoption studies.

Heritable

Referring to traits or characteristics that can be passed from parents to their offspring through genes.