New Genetic Variations Sometimes Become More Common Within Populations Because

question 11

Multiple Choice

New genetic variations sometimes become more common within populations because ____.

• A) most parts of the genome are noncoding and available for selection
• B) proteins can be "recruited" for advantageous function
• C) the resulting proteins are advantageous and selected for by nature
• D) adaptation occurs rapidly in the few species that have survived through time
• E) mutations are able to select against genetic variations that had disadvantageous function

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Definitions:

Pituitary Gland

A pea-sized gland located at the base of the brain, crucial for regulating vital bodily functions and hormones.

Endocrine System

A network of glands and organs in the body that produces, stores, and secretes hormones directly into the bloodstream to regulate the body's processes.

Pineal Gland

The pineal gland, a tiny gland located in the brain, secretes the hormone melatonin, which plays a crucial role in controlling the patterns of sleep and wakefulness.

Activity Levels

Refers to the degree of physical exertion or mental engagement in tasks or actions by an individual or group.