epigenome

play
noun epi·ge·nome \ˌe-pə-ˈjē-ˌnōm\

Definition of epigenome

  1. :  the complement of chemical compounds that modify the expression and function of the genome Access to the genes is controlled by the epigenome, a layer of millions of proteins and other marks that attach themselves to the genome. — Nicholas Wade Working out which genes are switched on or not involves looking at the epigenome, or the chemical “methyl” tags attached to genes. — New Scientist

Origin and Etymology of epigenome

epi- + genome, after epigenetic


Seen and Heard

What made you want to look up epigenome? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

conspicuously offensive

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!