Genetically Knocking Out Both Copies of the P53 Gene in Rats

question 31

Multiple Choice

Genetically knocking out both copies of the p53 gene in rats …

• A) is embryonic lethal.
• B) results in a lower malignancy rate, but the rats are otherwise seemingly normal.
• C) results in a higher rate of cancer onset, but the rats are otherwise seemingly normal.
• D) increases cell death by apoptosis, leading to developmental defects.
• E) does not have any effect unless the rats live outside of the laboratory and are exposed to various types of stress.

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Definitions:

Self-Fulfillment

Achieving one's goals, potential, or desired outcomes, leading to personal satisfaction and happiness.

Behavioral Intervention

Strategies and techniques used to modify an individual's behavior towards a more desirable outcome.

Neurotic Anxieties

A form of anxiety rooted in unconscious fears or conflicts, often manifesting as psychological or emotional distress rather than rational worry about real-world problems.

Self-Concept

An individual's perception of themselves, encompassing beliefs, feelings, and thoughts about one's identity and abilities.