Definitions

1. adjective

relating to or denoting heritable changes in gene expression that do not involve changes to the underlying DNA sequence

“The epigenetic marks on the gene were altered during fetal development.”

2. noun

a heritable change in gene expression that does not involve changes to the underlying DNA sequence

“Epigenetic modifications play a crucial role in regulating gene expression.”

3. noun

the study of heritable changes in gene expression that do not involve changes to the underlying DNA sequence

“Epigenetics is a rapidly evolving field in molecular biology.”