Obsessive-Compulsive and Related Disorders Involve

question 121

Multiple Choice

Obsessive-compulsive and related disorders involve

• A)a loss of contact with reality.
• B)amnesia and an unresolved guilt.
• C)bodily complaints with a physical cause.
• D)unnecessary repetitious behavior.

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Definitions:

Lactose Tolerance Allele

A genetic variant that enables individuals to digest lactose, the sugar found in milk, throughout adulthood.

Lactose Tolerance Allele

A variant of the gene that allows adults to digest lactose, a sugar found in milk, indicating an adaptation to dairy consumption.

High-Elevation Adaptations

The physical or physiological changes that enable organisms to survive and reproduce at high altitudes.

Positive Selection

A process by which beneficial genetic variations that increase fitness are selected for and become more common in a population.