Which of the Following Statements About Population Bottlenecks Is False

question 89

Multiple Choice

Which of the following statements about population bottlenecks is false?

• A) They are an extreme example of genetic drift.
• B) They can result in changes in allele frequencies.
• C) They can result in the loss of genetic variation.
• D) They arise from severe reductions in population size.
• E) All of the above are true; none is false.

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Definitions:

Neuropeptide Y

A neurotransmitter found in the brain and autonomic nervous system, involved in regulating a variety of physiological processes such as appetite, stress response, and circadian rhythms.

Leptin

A hormone produced by adipose (fat) cells that helps to regulate energy balance by inhibiting hunger.

Insulin

A hormone produced by the pancreas that regulates blood glucose levels by facilitating the uptake of glucose into tissues.

Ghrelin

A hormone produced in the stomach that stimulates hunger and food intake.