When a Gene Has Been Duplicated One or More Times

question 37

Multiple Choice

When a gene has been duplicated one or more times, what are the possible things that can happen to the duplicated gene?

• A)The duplicated gene can accumulate favorable mutations and acquire a new function.
• B)The duplicated gene can be lost through deletion.
• C)The duplicated gene can be rendered nonfunctional by unfavorable mutations.
• D)If there are two copies of the gene, both could undergo mutation so that each evolves a more specialized function than the original gene.
• E)All of these are correct.

---

Definitions:

Dividing

refers to the mathematical operation of partitioning a quantity into equal parts or groups.

Long-Term Trend

The persistent movement in data or a market's price, productivity, or other economic indicators over an extended period.

Unemployment

The situation in which individuals capable of working and actively seeking employment remain jobless.

Downward Trend

A sustained decrease in a particular economic indicator, such as stock prices, GDP, or employment levels, over a period time.