Epigenetics is a term in biology used today to refer to features such as chromatin and DNA modifications that are stable over rounds of cell division but do not involve changes in the underlying DNA sequence of the organism.
Epigenetics
Epigenetics refers to modifications in gene expression that are controlled by heritable but potentially reversible changes in DNA methylation and/or chromatin structure.
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Epigenetics
The term epigenetics has over time been used in various senses, in part because the Greek prefix epi- has at least six meanings in English (including 'on', 'after' and 'in addition'), ...
Epigenetics: The study of heritable changes in gene expression that occur without a change in DNA sequence. Epigenetic phenomena such as imprinting and paramutation violate Mendelian principles of heredity.
epigenetics Study of the relationship between genotype and phenotype as mediated by developmental processes.
epigynous Floral parts (sepals, petals, and stamens) appear to arise from the top of an ovary; the ovary is said to be inferior.
 See also: Epigenetic, Biology, Theory, Organ, Evolution
  
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