Which of the Following Statements Supports the Theory That Intelligence

question 192

Multiple Choice

Which of the following statements supports the theory that intelligence is determined in part by genes?

• A) The correlation between IQ scores is stronger for fraternal twins than it is for identical twins.
• B) Diet and lifestyle factors influence intelligence.
• C) Offspring are more similar to their parents when they grow up with them as opposed to when children are raised apart from their parents.
• D) Identical twins separated by adoption still have highly correlated IQ scores.

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Definitions:

Acetylcholine

A neurotransmitter involved in many functions including memory and muscle contraction.

Amygdala

A component of the brain's limbic system involved in emotion regulation, emotional memory, and reactions to fear and pleasure.

Prefrontal Cortex

The front part of the frontal lobe of the brain, involved in complex behaviors such as decision making, problem-solving, and social interaction.

Limbic System

A complex system of nerves and networks in the brain, involving several areas near the edge of the cortex concerned with instinct and mood. It controls the basic emotions (fear, pleasure, anger) and drives (hunger, sex, dominance, care of offspring).