There Is Strong Evidence That Genes Play a Significant Role

question 101

Multiple Choice

There is strong evidence that genes play a significant role in intelligence, accounting for ________ of group variation in IQ.

• A)25-30%
• B)30-40%
• C)40-50%
• D)50-70%

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Definitions:

Acetylcholine

A neurotransmitter in both the central and peripheral nervous systems that plays an important role in muscle contraction and sensory perception.

Axons

Long, slender projections of neurons that conduct electrical impulses away from the neuron's cell body, facilitating communication within the nervous system.

Neurons

Specialized cells within the nervous system that transmit information through electrical and chemical signals.

Brain Operation

Surgical intervention aimed at treating brain-related conditions or injuries, often involving the removal or repair of brain tissue.