What Is Unique About Evolution by Means of Artificial Selection

question 39

Multiple Choice

What is unique about evolution by means of artificial selection (for example, domestic dogs) ?

• A) It takes longer because there is no selection pressure.
• B) Stabilizing selection commonly occurs.
• C) Selection pressure occurs in fits and starts.
• D) It can occur rapidly because selection pressure is constant.

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Definitions:

Any Distribution

A general term that refers to the entire range of distributions a variable can follow, not limited to normal, binomial, etc.

Normal Distribution

A bell-shaped frequency distribution curve where most of the occurrences take place around the central peak and the probabilities of extreme occurrences taper off equally on both sides.

Continuity Correction

An adjustment made to a discrete distribution when it is approximated by a continuous distribution, often used in binomial distribution approximations.

Standardized Value

A score that has been transformed to have a mean of zero and a standard deviation of one, also known as a z-score, enabling comparison across different scales or distributions.