Maria ohare (7 Ergebnisse)

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Paperback. Zustand: Brand New. 88 pages. 8.00x5.00x0.22 inches. In Stock.

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Paperback. Zustand: Very Good. 88 pages. The Epigenetic Caterpillar refers to the idea that a sluggy creature (a cater pillar) has exactly the same genes as its adult form (a butterfly/moth), yet it looks nothing like a flying insect. The epigenetic caterpillar is used to illust rate the fact that genes themselves don't change during metamorphosis causing su ch radical alternations to the caterpillar, but rather, it is how its genes are EXPRESSED (epigenetically) according to environmental adaptive needs, which make s the big difference in the end. Therefore, the epigenetic caterpillar concept s hould help us assess the true validity of the Neo-Darwinian version of the case of the text-book example of Industrial Melanism in moths, which has often been d escribed as: evolution in action via natural selection. At the same time, the ep igenetic explanation begins to offer a much overdue evolutionary alternative.…