epigen

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CENTRAL DOGMA

description

epigenetics

Transcript of epigen

EPIGENETICS

CENTRAL DOGMA

EPIGENETICS EPIGENETICSis the study of cellular and physiological trait variations that are not caused by changes in the DNA sequenceepigenetics describes the study of dynamic alterations in the transcriptional potential of a cell.Epigenetic mechanisms turn genes on and off by modifying the structure of chromatin