Definition of epigenetic
1 a : of, relating to, or produced by the chain of developmental processes in epigenesis that lead from genotype to phenotype after the initial action of the genes b : relating to, being, or involving changes in gene function that do not involve changes in DNA sequence <epigenetic inheritance>
2 of a deposit or structure : formed after the laying down of the enclosing rock
First Known Use of epigenetic
Medical Definition of epigenetic
1: of, relating to, or produced by epigenesis <the epigenetic nature of vertebrate development>
2: relating to, being, or involving a modification in gene expression that is independent of the DNA sequence of a gene <epigenetic carcinogenesis> <epigenetic inheritance> <Methylation is one of many epigenetic signals—chemical changes to DNA and its associated proteins—that modify gene activity without altering the genetic information itself.—Tina Hesman Saey, Science News, 14 Feb. 2009>
Learn More about epigenetic
Medical Dictionary: Definition of "epigenetic"
Seen and Heard
What made you want to look up epigenetic? Please tell us where you read or heard it (including the quote, if possible).