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Titre du Document
THE ORIGINS OF DIVERSITY : DARWIN'S CONDITIONS AND EPIGENETIC VARIATIONS
Auteur(s)
MARSH David E. ; HOUSE Simon (Auteur des parties liminaires)
Résumé
This short history of evolutionary thought during the last few centuries describes how some of our foremost thinkers have debated - and still do - the precise mechanisms at the roots of evolutionary change. Commentators frequently contradicted themselves, as well as each other. The popularity of Christian fundamentalism waned following the World Wars. Eventually the rug was pulled from beneath it - till a more recent reaction. Amidst all this babble coming from numerous towers of Babel over centuries, we failed to see Charles Darwin as the great environmentalist: who said environmental conditions, whilst working hand in glove with natural selection, constituted the more important 'law.' A bird's eye view of 18th and 19th century evolutionary thought is considered against the climate of those times (politics, industrial revolution, trade, religious expansionism, etc). Darwinism superseded Lamarckism helped by the neo-Darwinism of Weismann, higher mathematics, population genetics - the 'Modern Synthesis' of 1935 - culminating in the discovery of the double helix by Watson, Crick et al, assuring us of the correctness of 'primacy of DNA theory'. Stimulation and challenge is currently fuelled by exciting nascent knowledge of epigenetic variations and Cairnsian 'adaptive mutations'. The work of Marcus Pembrey and Barry Keverne tracking human and animal variation back generationally describing how 'genomic imprinting' causes reversible heritable change from slight variations in the
Editeur
AB
Identifiant
PMID : 18309770 ISSN : 0260-1060 CODEN : NUHEDT
Source
Nutrition and health (Berkhamstead) A. 2007, vol. 19, n° 1-2, pp. 103-132 [30 pages] [bibl. : 26 ref.]
Langue
Anglais
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