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Introduction for Epigenetics£¨Jiemin Wong, Ph.D.£©Professor

The Institute of Biomedical Science ,College of Life Science, East China Normal University

Epigenetics is the study of heritable mechanisms that affect the transcriptional state of a gene which is not due to change in DNA sequence.

Here is description from wikipedia of what epigenetics is:
    "In biology, and specifically genetics, epigenetics is the study of heritable changes in gene expression or cellular phenotype caused by mechanisms other than changes in the underlying DNA sequence ¨C hence the name epi- (Greek: ¦Å¦Ðί- over, above, outer) -genetics. It refers to functionally relevant modifications to the genome that do not involve a change in the nucleotide sequence. Examples of such changes are DNA methylation and histone deacetylation.

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