A Sharp Cline May Indicate

question 36

Multiple Choice

A sharp cline may indicate

• A) a sudden increase in the mutation rate.
• B) a population bottleneck.
• C) a geographical obstacle, such as a mountain.
• D) exposure to a devastating infectious disease.
• E) nonrandom mating.

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Definitions:

Transient Ischemic Attack

Often called a mini-stroke, a transient episode of neurological dysfunction caused by the loss of blood flow to the brain, spinal cord, or retina, without acute infarction.

Abbreviation

A summarized form of a word or phrase.

Electroencephalogram

A test that measures electrical activity in the brain using electrodes attached to the scalp, used to detect potential problems associated with this activity.

Abbreviation

A brief form of a word or phrase designed to conserve space or eliminate repetition.