A Majority of Experts Agree That the Heritability of Intelligence

question 42

Multiple Choice

A majority of experts agree that the heritability of intelligence is approximately 50 percent. What does this mean?

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

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Definitions:

Cytoplasmic Extensions

Protrusions of the cell's cytoplasm that increase its surface area for absorption or movement, such as pseudopods in amoebas or axons and dendrites in neurons.

Kidney Infections

Bacterial infections that affect the kidneys, often a complication of a urinary tract infection, leading to symptoms like fever, back pain, and nausea.

Antibiotics

Medicinal compounds that inhibit the growth of or kill bacteria, used to treat bacterial infections but not effective against viruses.

Hemolytic Uremic Syndrome

A rare condition usually caused by an E. coli infection leading to kidney failure and hemolytic anemia.