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🧠ap psychology review

Epigenetics in AP Psychology

Verified for the 2027 exam
Verified for the 2027 exam•Fiveable Content Team

Definition

Epigenetics refers to changes in gene expression that do not involve alterations to the underlying DNA sequence. These changes may last through cell divisions for the remainder of the cell's life and may also last for multiple generations without any change in the underlying DNA sequence.

This definition is part of Fiveable's AP Psychology review, which also has guided practice questions.

AP course connection

Topic 2.1: Interaction of Heredity and Environment

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Unit 2

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