In Fragile X Syndrome, Only Noncoding Regions Within the Gene

question 2

Multiple Choice

In fragile X syndrome, only noncoding regions within the gene for a protein that directs and maintains brain development are heavily methylated, resulting indecreasedcognitive ability and behavioral problems. What is the most likely mechanism of this abnormal expression?

• A)Increased microRNA molecules reducing the synthesis of the gene product
• B)Failure of the methylated regions to undergo translation
• C)Suppression of the "splicing out" action for introns
• D)Suppression of promoter function

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Definitions:

Behaviorism

A branch of psychology that studies observable behaviors rather than internal subjective experiences, emphasizing the effects of external stimuli on responses.

Clinical Case Studies

Detailed examinations of individuals or groups from a clinical or medical perspective, often used to explore complex issues or conditions.

Degree of Modeling

The extent to which an individual or system is used as an example or standard for imitation or comparison.

Reinforcement

In psychology, the process of encouraging or strengthening a behavior through rewards or consequences.