ep·i·gen·e·sis ( p  -jn  -ss)n. 1. Biology The theory that an individual is developed by successive differentiation of an unstructured egg rather than by a simple enlarging of a preformed entity. 2. Geology Change in the mineral content of a rock because of outside influences. ep i·ge·netic (-j-ntk) adj. |
epigenetic [ˌɛpɪdʒɪˈnɛtɪk]
adj
1. (Life Sciences & Allied Applications / Biology) of or relating to epigenesis
2. (Life Sciences & Allied Applications / Biology) denoting processes by which heritable modifications in gene function occur without a change in the sequence of the DNA
epigenetically adv
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