epigenetic.

Relating to changes in gene regulation or cellular state that do not require changing the underlying genetic sequence.

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Words that belong together

• epigenetic change
• epigenetic regulation

On the page

The researchers detected an epigenetic change after exposure.

The altered trait involved epigenetic regulation rather than a new DNA sequence.

Usage notes

Primary category: sci-fi. Forms: Normally non-gradable. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.