epigenetics

play
noun, plural in form but singular in construction epi·ge·net·ics \ˌe-pə-jə-ˈne-tiks\

Definition of epigenetics

  1. :  the study of heritable changes in gene function that do not involve changes in DNA sequence

Origin and Etymology of epigenetics

epi- + genetics, after epigenesis and phenogenetics “developmental genetics,” borrowed from German Phänogenetik, from phäno- (in Phänotypus phenotype) + Genetik genetics


First Known Use: 1942


Medical Dictionary

epigenetics

play
noun plural but singular in construction epi·ge·net·ics \-iks\

Medical Definition of epigenetics

  1. :  the study of heritable changes in gene function that do not involve changes in DNA sequence At its most basic, epigenetics is the study of changes in gene activity that do not involve alterations to the genetic code but still get passed down to at least one successive generation.—John Cloud, Time, 18 Jan. 2010 Epigenetics is the study of the chemical groups that stick to DNA and act as switches to turn genes on and off.—New Scientist, 7 July 2006


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