What Would It Mean to Say That Intelligence Is a Polygenic

question 26

Multiple Choice

What would it mean to say that intelligence is a polygenic trait?

• A) This trait is determined by environmental influences and is not controlled by specific genes.
• B) This trait is determined purely by specific genes and cannot be modified by the external environment.
• C) This trait is the product of the interaction of many different genes, not the expression of a single gene.
• D) This trait is controlled by genes on the sex chromosome, and so differs significantly between males and females.

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Definitions:

Chyme

The semifluid mass of partly digested food that moves from the stomach to the small intestine.

Feces

Waste matter discharged from the bowels after food has been digested, consisting of remains of ingested food, bacteria, and dead cells.

Mucosa

A moist tissue layer that lines certain internal surfaces of the body, including the nose, mouth, lungs, and digestive tract.

Colon

Division of the large intestine that extends from the cecum to the rectum.