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epigenetics
[ ep-i-juh-net-iks ]
noun
, (used with a singular verb)
- 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
- the study of heritable changes that occur without a change in the DNA sequence
epigenetics
/ ĕp′ĭ-jə-nĕt′ĭks /
- 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
This process, known as epigenetics, involves the addition of small chemical tags known as methyl groups to the DNA double helix.
From The Daily Beast
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