A Change in a Population's Genes from One Generation to the Next

question 26

Multiple Choice

A change in a population's genes from one generation to the next due to chance or accident is referred to as a ____.

• A)mutation
• B)migration
• C)splicing event
• D)genetic drift

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Definitions:

Retroviruses

A group of RNA viruses that insert a DNA copy of their genome into the host cell in order to replicate, e.g., HIV.

Invading Organisms

Pathogens, such as bacteria, viruses, and parasites, that enter the body and cause various diseases or infections.

Antigens

Substances that provoke an immune response, including the production of antibodies, when detected by the body.

Lymph Nodes

Small, bean-shaped structures that filter lymph fluid and play an essential role in the body's immune response.