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created page, will expand it later today
'''Epigenetics''' is the study of the heredity of variations in [[gene]] [[gene regulation|regulation]] and, thus, [[phenotype]], that occurs independent of any change in [[DNA]] sequence. The primary mechanism by which this happens is through [[post-translational modifications|post translational modification]] (e.g. methylation and acetylation) of [[histones]], although several other mechanisms are known to exist. Epigenetic gene regulation is also important physiologically; epigenetic reprogramming is one of the major mechanisms by which [[pluripotent stem cells]] and, subsequently, their daughter cells are committed to a specific [[list of cell types|cell type]] lineage during [[developmental biology|development]].