Identical Twins Have a Concordance Rate of About ___________ for Anxiety

question 200

Multiple Choice

Identical twins have a concordance rate of about ___________ for anxiety disorders, compared with a ___________ concordance rate in fraternal twins.

• A)40%; 4%
• B)4%; 40%
• C)65%; 6%
• D)6%; 65%

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Definitions:

Brain

The central organ of the human nervous system, responsible for processing sensory information, regulating bodily functions, and facilitating cognition.

Spinal Cord

A long, thin, tubular structure made up of nervous tissue, which extends from the brainstem down the back, and transmits nerve impulses between the brain and the rest of the body.

Common Ancestor

Forebear of two or more lineages or family groups; ancestral to both groups.

Nervous Systems

The complex network of nerve cells and fibers that transmits nerve impulses between parts of the body, coordinating actions and sensory information.