National Elections Are Held in the United States on the First

question 67

Multiple Choice

National elections are held in the United States on the first Tuesday of November ________
Year(s) .

• A)every
• B)every other
• C)every three
• D)every four

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Definitions:

Purifying Selection

A type of natural selection that removes deleterious alleles from a population, leading to a decrease in genetic variation for the traits affected.

Neutral Theory

A theory in molecular evolution that proposes most genetic variations are the result of genetic drift and not selective forces, and that at the molecular level, the majority of mutations are neutral.

Molecular Evolution

The process of evolution at the scale of DNA, RNA, and proteins, encompassing changes in molecular structure and sequence over time.

Genetic Drift

Random fluctuations in the frequencies of alleles within a population due to chance events.