Twin Studies of Intelligence Have Found That the IQ Scores

question 27

Multiple Choice

Twin studies of intelligence have found that the IQ scores of:

• A) monozygotic and dyzogotic twins are similar.
• B) monozygotic twins are more similar than the IQ scores of dyzogotic twins.
• C) dyzogotic twins are more similar than the IQ scores of monozygotic twins.
• D) monozygotic and dyzogotic twins are largely unrelated.

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Definitions:

Spinal Meninges

The protective membranes that cover the brain and spinal cord, consisting of three layers: dura mater, arachnoid mater, and pia mater.

Cerebral Meninges

The three protective membranes (dura mater, arachnoid mater, and pia mater) that surround the brain and spinal cord.

Medulla Oblongata

A section of the brainstem responsible for regulating vital functions, such as breathing, heart rate, and blood pressure.

Midbrain

A part of the brainstem that plays an important role in vision, hearing, motor control, sleep/wake, arousal (alertness), and temperature regulation.