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Definition of Epigenetic

Epigenetic: Something that affects a cell, organ or individual without directly affecting its DNA. An epigenetic change may indirectly influence the expression of the genome. See also: Epigenetics.

From epi- meaning, in this context, after or beside + genetic.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=21819
Last Editorial Review: 10/9/2012

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