In an Experiment to Distinguish Genetic Versus Environmental Effects on a Trait

question 15

Multiple Choice

In an experiment to distinguish genetic versus environmental effects on a trait, the test individuals

• A)should be as genetically related as possible.
• B)should have variable alleles at as many loci as possible.
• C)must have the same parents.
• D)must be grown in a natural environment.

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Definitions:

Manic Episode

A period of abnormally elevated mood, energy, and activity levels, characteristic of bipolar disorder.

Severe

Used to describe a condition, situation, or event that is intensely or extremely bad or serious.

Nicotine Dependence

A condition of addiction to the nicotine contained in tobacco products, leading to compulsive use.

Chewing Tobacco

A type of smokeless tobacco product consumed by placing a portion of the tobacco between the cheek and gum.