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epigenetic

[ep-i-juh-net-ik] /ˌɛp ɪ dʒəˈnɛt ɪk/
adjective
1.
Biology. of or pertaining to epigenesis, or the successive differentiation of undifferentiated cells in an embryo.
2.
Genetics. 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.
Origin
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for epigenetic
  • epigenetic markers also serve to predict clinical outcomes.
  • Unlike the human genome, however, the epigenetic code hasn't been mapped.
  • Exposure to pollution could cause direct genetic damage or epigenetic changes, which are changes in how genes are expressed.
  • One form of epigenetic 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 epigenetic.
  • That's good news, as epigenetic modifications-unlike mutations-are in principle reversible.
  • It is an increase in epigenetic complexity and a decrease in genetic diversity as measured by point mutations.
  • It is the symptom of a disease with both genetic and epigenetic components.
  • There is no shortage of epigenetic questions ripe for probing.
  • They may also alter gene activity through what are termed epigenetic changes.
British Dictionary definitions for epigenetic

epigenetic

/ˌɛpɪdʒɪˈnɛtɪk/
adjective
1.
of or relating to epigenesis
2.
denoting processes by which heritable modifications in gene function occur without a change in the sequence of the DNA
Derived Forms
epigenetically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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