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/ˌɛp ɪ dʒəˈnɛt ɪk/
of or pertaining to epigenesis, or the successive differentiation of undifferentiated cells in an embryo.
noting or pertaining to epigenetics, specifically, the process by which the expression of genetic information is modified on a molecular level without a change to the DNA sequence:
the epigenetic inheritance of longevity.
Based on the Random House Dictionary, © Random House, Inc. 2014.
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markers also serve to predict clinical outcomes.
Unlike the human genome, however, the
code hasn't been mapped.
Exposure to pollution could cause direct genetic damage or
changes, which are changes in how genes are expressed.
One form of
change physically blocks access to the genes by altering what is called the histone code.
For example, it's possible that the damage caused by many cancers is
That's good news, as
modifications-unlike mutations-are in principle reversible.
It is an increase in
complexity and a decrease in genetic diversity as measured by point mutations.
It is the symptom of a disease with both genetic and
There is no shortage of
questions ripe for probing.
They may also alter gene activity through what are termed
British Dictionary definitions for
of or relating to epigenesis
denoting processes by which heritable modifications in gene function occur without a change in the sequence of the DNA
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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