A Variety of Genotypes and Phenotypes in a Population Is

question 34

Multiple Choice

A variety of genotypes and phenotypes in a population is useful because it

• A) makes life more interesting.
• B) allows the species to survive if the environment changes.
• C) means that the gene pool is constant and unchanging.
• D) makes genetic drift an unlikely occurrence.
• E) will lead to nonrandom mating.

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Definitions:

Blepharitis

An inflammation of the eyelid margins, often causing redness, irritation, and itchy eyelids together with dandruff-like scales on the eyelashes.

Lacrimal

Pertaining to the glands and ducts that produce and drain tears.

Cortex

The outer layer of various organs and structures, such as the brain, adrenal glands, and hair, involved in diverse functions.

Isthmus

A narrow strip of land connecting two larger bodies of land, or a narrow organ or structure connecting two larger parts.