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epigenetics

[ ep-i-juh-net-iks ]

noun

, (used with a singular verb)
  1. Genetics. the study of the process by which genetic information is translated into the substance and behavior of an organism: specifically, the study of the way in which the expression of heritable traits is modified by environmental influences or other mechanisms without a change to the DNA sequence.


epigenetics

/ ˌɛpɪdʒɪˈnɛtɪks /

noun

  1. the study of heritable changes that occur without a change in the DNA sequence
“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


epigenetics

/ ĕp′ĭ-jə-nĕtĭks /

  1. The study of heritable changes in gene expression caused by factors such as DNA methylation rather than by a change in the sequence of base pairs in DNA itself.


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Word History and Origins

Origin of epigenetics1

Coined in 1942 by English biologist Conrad H. Waddington (1905–75); blend of epigenesis and genetics
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Example Sentences

Epigenetics, which is where genes are only activated in specific environments, complicate things too.

Epigenetics is an extremely fluid dance, with multiple chemical components latching onto or falling off of DNA strands.

At their root is epigenetics, a mechanism “above” DNA to regulate how our genes are expressed.

Thanks to epigenetics’ “enhancing” power, CRISPRoff lets researchers go big.

A reliable CRISPR tool for epigenetics is insanely powerful.

This process, known as epigenetics, involves the addition of small chemical tags known as methyl groups to the DNA double helix.

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