Which of the Following Is NOT an Example of the Importance

question 49

Multiple Choice

Which of the following is NOT an example of the importance of gene duplication in genome evolution?

• A) The human olfactory multigene family consists of about 1000 genes used in our sense of smell.
• B) Ribosomal protein S4 is found as a single-copy gene in all three domains of life.
• C) After a segmental duplication, the original copy of the gene can continue its function while the new copy undergoes mutation, leading to new functions.
• D) The globin gene family in humans consists of 13 genes that encode globin-like molecules, most of which produce proteins that carry oxygen.
• E) These are all examples of how gene duplication plays a role in genome evolution.

---

Definitions:

Return on Common Stockholders' Equity

A measure of profitability that indicates how much profit a company generates with the money shareholders have invested.

Return on Total Assets

A financial ratio that measures a company's profitability in relation to its total assets, indicating how efficiently assets are used to generate profit.

Net Income

The total profit of a business after all expenses, taxes, and costs have been subtracted from total revenues.

Asset Turnover

A measure of how effectively a business is using its assets to generate sales.