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epigenetic

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
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.
epi·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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Since epigenetic modifications can change with a person's age, Lo and his team wondered whether they could find some genes that are methylated differently in a fetus than in its mother.
Bringing up baby's DNA: less risky techniques for assessing fetal ... by Brownlee, Christen / Science News
the development of isotopic geochronometers) was one of the most significant factors in deducing ore genesis and has helped mediate battles between syngenetic and epigenetic proponents.
Economic geology: then and now by Jebrak, Michel / Geoscience Canada
Moreover, persistent epigenetic adaptations that occur early in development in response to maternal nutrition and the environment are associated with increased susceptibility to cancer and other adult-onset chronic diseases (Cooney et al.
Maternal genistein alters coat color and protects [A.sup.vy] mouse ... by Jirtle, Randy L. / Environmental Health Perspectives
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