A mutation is

A. always harmful to health.
B. always beneficial to health.
C. a change in a DNA sequence in less than 1% of a population that affects anatomy and/or physiology.
D. a common genetic variant.


Answer: C

Anatomy & Physiology

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Abnormal forced extension beyond normal range of motion is called ________.

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Complete this analogy: Testes are to gonads as sperm are to:

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