​A Random Change in Allele Frequency Over Time That Is

question 3

Multiple Choice

​A random change in allele frequency over time that is brought about by chance alone is known as ____.

• A) ​genetic drift
• B) ​gene flow
• C) ​natural selection
• D) ​disruptive selection
• E) ​balanced polymorphism

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Definitions:

Symmetric

Characteristic of a shape or figure that is identical on both sides of a central line; it applies broadly to situations where two sides of something are mirror images of each other.

Bell Shaped

Descriptive of a graph or distribution which is symmetrical and has its highest point in the middle, tapering off evenly on both sides, characteristic of a normal distribution.

Normal Distribution

A bell-shaped probability distribution characterized by its mean and standard deviation, frequently occurring in nature and statistics.

Symmetric

A characteristic of an object or a distribution in which it is identical in shape on both sides of a central axis.