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addaword.gifdefinition of epigenetics

noun
the study of heritable changes in gene expression
As momentous as epigenetics sounds, the chemistry of at least one of its mechanisms is fairly simple.
Submitted from United Kingdom on 01/05/2012 10:11:00
Definition of epigenetics from the Open Dictionary – a public resource hosted by Macmillan English Dictionary Online

dark pool

a method of financial trading in which share prices are hidden and not openly available to the public

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bottom line

the amount of money that a business makes or loses