In an Experiment, It Was Found That Newborn Rats Who

question 92

Multiple Choice

In an experiment, it was found that newborn rats who were genetically predisposed to be skittish, nervous, and high-strung would develop into calm, exploratory, and stress-resistant adultrats when raised by genetically unrelated, attentive mothers.The researchers concluded that:

• A)although the rats' DNA did not change, the chemicals that controlled their gene expression did change
• B)the genes controlling the rats' behavior must have mutated.
• C)although the rats' DNA changed, the chemicals that controlled their gene expression did not.
• D)the epigenetic changes were inherited from the previous generation of temperamental rats and were only expressed when the environment was favorable.

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Definitions:

Baseline Measure

An initial set of data or observations that serve as a starting point for comparison with later data.

Goal Attainment

The process of achieving predetermined objectives or targets.

Obstacles

Challenges or barriers that hinder progress or the achievement of objectives, requiring effort and strategies to overcome.

Level of Readiness

The degree to which an individual or group is prepared to take action or embark on a new task.