Polymerase Chain Reaction (PCR)

question 40

Multiple Choice

Polymerase chain reaction (PCR) :

• A)allows us to use genetic methods to explore the origins and movements of populations.
• B)is used to amplify tiny sequences of DNA for study.
• C)allows us to study small amounts of DNA available in ancient skeletons.
• D)all of the above

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Definitions:

Mode

The most frequent score.

Median

The median is a measure of central tendency that divides a data set into two equal halves, representing the middle value when the data set is ordered.

Normal Distribution

A distribution of scores in which most people score in the middle and fewer score at the extremes; also known as a “bell curve.”

Bell Curve

A graphical representation of a normal distribution of data, characterized by a symmetric, bell-shaped curve.