Experts Estimate That the Heritability of Intelligence Is Approximately 50

question 139

Multiple Choice

Experts estimate that the heritability of intelligence is approximately 50%.This suggests that

• A) 50% of a person's intelligence is due to genetic inheritance.
• B) 50% of a person's intelligence is due to environmental factors.
• C) 50% of the variability in intelligence in a population of individuals is due to variations in genetic inheritance.
• D) 50% of the difference in average intelligence between different ethnic groups is due to genetic inheritance.

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Definitions:

Hyaline

A term that describes a glass-like, translucent appearance in tissues, particularly in cartilage, where it provides smooth surfaces for joint movement.

Medullary Cavity

The central cavity of bone shafts where red bone marrow and/or yellow bone marrow (fat) is stored.

Endosteum

A thin vascular membrane of connective tissue that lines the inner surface of bony tissue in the medullary cavities of bone.

Spongy Bone

A type of bone tissue that has a porous structure, found at the ends of long bones and in the inner layers of short, flat, and irregular bones.