How Does Gene Duplication Contribute to Evolution

question 1

Multiple Choice

How does gene duplication contribute to evolution?

• A) Gene duplication results in an increased number of chromosomes
• B) Organisms containing duplicated genes are less fit
• C) Gene duplication results in less gene product being made
• D) Duplicated genes can be more tolerant of mutations than non-duplicated genes

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Definitions:

Minute Respiratory Volume

The total volume of air breathed in and out by a person at rest in one minute, important in assessing respiratory health.

Breathing Rate

The number of breaths taken per minute, an important indicator of respiratory health and function.

Respiratory Division

The part of the respiratory system involved in the actual exchange of gases, includes structures such as the alveoli and the respiratory bronchioles.

Gas Exchange

The process of exchanging oxygen and carbon dioxide between the bloodstream and the lungs or environment.