____ Is a Random Change in Allele Frequency Over Time

question 99

Multiple Choice

____ is a random change in allele frequency over time that is brought about by chance.

• A) Genetic drift
• B) Gene flow
• C) Natural selection
• D) Disruptive selection
• E) Balanced polymorphism

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Definitions:

Standardized Value

A transformed value obtained from the original data that indicates how many standard deviations a data point is from the mean.

Kruskal-Wallis Test

A nonparametric statistical test that assesses whether there are significant differences between two or more groups of an independent variable on a continuous or ordinal dependent variable.

Null Hypothesis

A default position that there is no difference or effect, used in statistics as a starting point for testing.

Distribution

Describes the way values of a variable or set of variables are spread or dispersed across possible values or ranges.