American Heritage Dictionary
Century Dictionary
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GNU Webster's 1913
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WordNet
Elsewhere on the web
Dr. Shilatifard's publication appeared in Genes and Development and resulted from a meeting on December 7-10, 2008 that he co-organized at Cold Spring Harbor Laboratory in New York to discuss aspects of epigenetic control in genomic function and to develop a consensus definition of "epigenetics" for consideration by the broader research community.— Health News from Medical News Today
The mechanisms underlying epigenetic memory are of great importance to human development and disease, but they are poorly understood.— Health News from Medical News Today
The proposed definition reads: "an epigenetic trait is a stably inherited phenotype resulting from changes in a chromosome without alterations in the DNA sequence."— Health News from Medical News Today
Eva Jablonka - epigenetic inheritance (heritable changes in gene expression and function outside genetic variation)— ScreenTalk
Scientists refer to methylation, the addition of a methyl group to DNA, as an "epigenetic" modification because it adds a layer of information on top of the genetic sequence of the DNA itself.— EurekAlert! - Breaking News

Century Dictionary (2)
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