Epigenesis vs Epigenetic - What's the difference?
epigenesis | epigenetic | Related terms |
(biology) The theory that an organism develops by differentiation from an unstructured egg rather than by simple enlarging of something preformed.
*2011 , Terence Allen and Graham Cowling, The Cell: A Very Short Introduction , Oxford 2011, p. 100:
*:Ignored for two millennia, Aristotle, in his book On the Generation of Animals , first proposed the theory of epigenesis in biology, suggesting that development of a plant or animal from an egg or spore follows a sequence of steps in which the organism changes and the various organs form.
(geology) changes in the mineral content of rock after its formation
(genetics, mineralogy) Of or relating to epigenesis.
(genetics) Of or relating to epigenetics.
* {{quote-journal
, year = 1977
, month = December
, title = A Systems-Analytical Approach to Macro-Evolutionary Phenomena
, author = Rupert Riedl
, journal = The Quarterly Review of Biology
, volume = 52
, issue = 4
, jstor = 2823251
, page = 352
, passage = The old and optimistic “one gene — one character” concept has long been invalidated by phenomena such as pleiotropy and polygeny, and for a generation now we have thought of genomic activity as a system of complex epigenetic' interactions — an ' epigenetic landscape.
}}
* {{quote-magazine
, date = 2010-11-06
, title = Sins of the Fathers
, magazine =
, passage = Every cell in the body contains the same DNA but epigenetic' settings on cells in the bone and blood, for example, mean the tissues do very different jobs. The ' epigenetic consequences of a huge range of environmental factors are under investigation, from exposure to drugs, chemicals and hormones, to the impact of poor maternal care in infancy, and the likelihood that they are as hereditable as DNA.
}}
