Which Term Describes the Functional Units of Heredity

question 36

Multiple Choice

Which term describes the functional units of heredity?

• A) gene
• B) allele
• C) DNA
• D) chromosome

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Definitions:

Air

The unseen mixture of gases that envelops the Earth, primarily composed of oxygen and nitrogen.

P Wave

A component of an electrocardiogram (ECG) representing the depolarization of the atria preceding a heartbeat.

Sinoatrial Node

The heart's natural pacemaker, located in the right atrium, responsible for initiating the heartbeat.

Wave of Depolarization

A rapid change in electrical charge across a cell membrane, leading to nerve impulse transmission or muscle contraction.