The Following Question Refers to the Figure

question 56

Multiple Choice

The following question refers to the figure.
In an eight-year experiment, a population of E. coli, begun from a single cell, was grown in low-glucose conditions. The culture was transferred to fresh growth medium every 24 hours. Periodically, samples were removed from each population and the ability to survive in low-glucose conditions was compared with the original (ancestral) E. coli population.
The cells in the cell line grown in low-glucose conditions showed the effects of which of the following processes?

• A) gene flow and genetic drift
• B) natural selection and mutation
• C) natural selection and gene flow
• D) conjugation and transformation

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Definitions:

Risk Tolerance

The degree of variability in investment returns that an investor is willing to withstand, related to one's financial situation, investment objectives, and psychological comfort.

Risky Asset

An asset that carries a significant degree of risk of losing value, but also offers a potential for higher returns compared to safer investments.

Risk-Free Asset

An asset which is assumed to provide a guaranteed return with negligible risk of financial loss, often considered to be short-term government securities.

Capital Allocation Line

A graph that shows the risk-return trade-off of investable assets, indicating the most efficient portfolio possible given a certain level of risk.