The Origins of Diversity
Darwin's Conditions and Epigenetic Variations
Titre du document / Document title: THE ORIGINS OF DIVERSITY : DARWIN'S CONDITIONS AND EPIGENETIC VARIATIONS
Auteur(s) / Author(s): MARSH David E.
Résumé / Abstract
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 Darwinism superseded Lamarckism helped by the neo-Darwinism of Weismann, higher mathematics, population genetics - the 'Modern Synthesis' of 1935 - culminating in the discovery of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 chromosomes of parents, grandparents, great-grandparents and parents to be. The purpose of this thesis is to put forward a new theme proposed neither by Lamarck or Darwin. We stand on the threshold of the first paradigm change for 150 years.
Revue / Journal Title: Nutrition and health ISSN 0260-1060 CODEN NUHEDT
Source / Source: 2007, vol. 19, no 1-2 (163 p.) [Document : 30 p.] (26 ref.), pp. 103-132 [30 page(s) (article)]
Langue / Language: Anglais / English
Editeur / Publisher: AB, Bicester, ROYAUME-UNI (1982) (Revue)
Mots-clés anglais / English Keywords: Human ; Medicine ; Imprinting ; Substrate ; Feeding ; Nutrition ; Mutation ; Change ; Diversity ;
Mots-clés français / French Keywords: Homme ; Médecine ; Empreinte ; Substrat ; Alimentation ; Nutrition ; Mutation ; Changement ; Diversité ;
Mots-clés espagnols / Spanish Keywords: Hombre ; Medicina ; Huella ; Substrato ; Alimentación ; Nutrición ; Mutación ; Cambio ; Diversidad ;
Mots-clés d'auteur / Author Keywords: Reversible-generational-change ; Epigenetics ; Environmentally-induced-variation ; Adaptive-mutations ; Nutrition ; Substrate ; Genomic-imprinting ; Neo-Lamarckian-medicine ; Neo-Darwinism ; Evolution ;
Localisation / Location: INIST-CNRS, Cote INIST : 19311, 35400016196389.0090
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