Understanding the COMT Gene's Impact on Behavior

Medium Unit 2: Biological Bases Genetics And Behavior

In the study of genetics and behavior, researchers often explore the extent to which genetics can influence individual differences in characteristics such as intelligence, personality, and behavior. A significant body of research suggests that genetic factors may be linked to behavior, leading to the investigation of specific genes and their roles. One of the genes frequently discussed in psychological literature is the COMT (Catechol-O-Methyltransferase) gene, which is involved in the degradation of dopamine in the brain.

Considering this information, which of the following statements most accurately reflects our understanding of the relationship between genetics and behavior, particularly in relation to the COMT gene?

The COMT gene is known to solely determine a person's intelligence.

Variations in the COMT gene have been associated with differences in dopamine levels, which can impact emotional regulation and cognitive functions.

All behavioral traits can be entirely attributed to genetic factors without influence from environmental factors.

Research indicates that the COMT gene has no relevance in understanding individual differences in behavior.

The COMT gene is primarily responsible for the physical traits of an individual.

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