Epigenomics is different than epigenetics and it’s not simply a matter of scale. As I explained in my previous post, epigenetics, like genetics, is concerned with matters of inheritance. In contrast, epigenomics is the study of those factors that form chromatin, regardless of whether they are inherited. Chromatin roughly refers to those factors that interact with DNA and determine how it is “packaged” into its overall structure and it includes things like DNA methylation, histones, histone modifications, and non-coding RNAs.
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