Twin Studies Show That Monozygotic (Identical) Twins Who Are Raised

question 22

Multiple Choice

Twin studies show that monozygotic (identical) twins who are raised in separate homes have similar IQ scores. Such evidence:

• A) Suggests that intelligence is partly influenced by heredity
• B) Suggests that intelligence is partly influenced by environmental factors
• C) Shows the interactive influences of heredity and environment on intelligence
• D) Illustrates that the relative influences of heredity and environment on intelligence cannot be determined

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Definitions:

Anorexia Nervosa

A psychological and potentially life-threatening eating disorder characterized by an extremely low body weight, distorted body image, and an obsessive fear of gaining weight.

Obsessive-Compulsive Disorder

A mental disorder where individuals experience persistent, unwanted thoughts (obsessions) and repetitive behaviors (compulsions).

Anorexia Nervosa

A mental health disorder characterized by an intense fear of gaining weight and a distorted body image, leading to severe restriction of food intake and weight loss.

Substance Abuse

The unsafe or adverse use of psychoactive substances, covering both alcohol and illicit drugs.