different between epigenetics vs epimutation

English

Etymology

Blend of epigenesis +? genetics; coined by C. H. Waddington in 1942.

Pronunciation

• IPA^(key): /??p?d????n?t?ks/

Noun

epigenetics (uncountable)

1. (genetics) The study of the processes involved in the genetic development of an organism, especially the activation and deactivation of genes.
2. (genetics) The study of heritable changes caused by the activation and deactivation of genes without any change in DNA sequence.

Related terms

• epigenetic
• epigenome
• genetic determinism

Derived terms

Translations

Further reading

• epigenetics on Wikipedia.Wikipedia

English

Etymology

From epi- +? mutation; compare epigenetic.

Pronunciation

• IPA^(key): [?p?mju?te???n]
• Rhymes: -e???n

Noun

epimutation (plural epimutations)

1. (genetics) A heritable change in gene expression that does not affect the actual base pair sequence of DNA.
   • 2005, Eva Jablonka and Marion J. Lamb, Evolution in Four Dimensions: Genetic, Epigenetic, Behavioral, and Symbolic Variation in the History of Life,^[1] MIT Press, ?ISBN, page 248,

     The first sign of cellular abnormality in some tumors is an epimutation—a change in heritable chromatin marks, such as an increase or decrease in the density of DNA methylation.

Related terms

• epimutant
• epimutational

Translations

See also

• epigenetics
• Epigenetics on Wikipedia.Wikipedia