Definition, Meaning & Synonyms

epigenetics

Noun

/ˌɛpɪdʒəˈnɛtɪks/

Definition

The study of changes in gene expression that do not involve alterations to the underlying DNA sequence.

Examples

Epigenetics plays a crucial role in how identical twins can have different traits despite having the same DNA.
Researchers are studying epigenetics to understand how lifestyle decisions impact our health.
Certain experiences in childhood can lead to epigenetic changes that affect behavior later in life.

Meaning

Epigenetics explores how environmental factors and experiences can influence the way genes are turned on or off, affecting an organism’s development and traits.