Kelley and Madison Are Identical Twins Who Were Separated at Birth

question 449

Multiple Choice

Kelley and Madison are identical twins who were separated at birth and raised in different families. In a twin study, similarities in their personality traits would be judged to be due to _____, and differences in their personality traits would be considered to be due to _____.

• A) genetic influences; environmental influences
• B) environmental influences; genetic influences
• C) emergenic influences; heritability of traits
• D) heritability of traits; emergenic influences

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Definitions:

Fatty Plaque

Deposits of fat and other substances on the walls of arteries, leading to atherosclerosis and potentially heart disease or stroke.

Prolactin

A hormone produced by the pituitary gland that stimulates milk production and affects reproductive health.

Pituitary Gland

A small, pea-sized gland located at the base of the brain, responsible for regulating critical body functions through the release of hormones.

Milk Production

The biological process by which mammals produce milk to feed their young.