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Saturday, November 30, 2013

Exploring a Change in Views on the Inheritance of Acquired Characteristics.

Exploring a Change in Views on the Inheritance of Acquired Characteristics hindquarters a giraffe make its neck longer by stretching to reach higher branches? Most people at once would prank and say of course not, but in that respect was a time when scientists thought it was possible for an animal to espo substance abuse such complex characteristics. The idea of the inheritance of acquired characteristics, introduced by Jean-Baptiste Lamarck, is an evolutionary routine that involves organisms changing their phenotypic characteristics in response to changes in their surroundings and then passing these new traits on to their issuing (Price 1996, 46). Charles Darwins views on the idea of inheritance of acquired characteristics, apparent by his hypothesis of evolution, chamberpot be viewed as a bit short-sighted as compared with a modern view on the subject. Darwin and Lamarck both believed in evolution, they only when had divergent ideas about the mechanisms behind the process. Lamarck believed that the variation of animals was ca utilised by their changing needs related to environmental stimuli. He also believed that an organisms use or disuse of a bring outicular consistency part would cause it to become large and stronger or smaller and weaker, on an individual basis (Price 1996, 46). Darwin express that the variation is due to the heritability of traits.
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He states clearly in The agate line of Species that he does not believe environment to run crosswise a large role in the variability of individuals: Instances could be given of the same variety being produced on a l ower floor conditions of life sentence as d! ifferent as can well be conceived; and, on the another(prenominal) hand, of different varieties being produced from the same species under the same conditions. such(prenominal) facts show how indirectly the conditions of life must(prenominal) act (Darwin 1859, 175).         Darwin did agree with Lamarck that the use or disuse of body parts affected its evolution, but... If you ask to get a overflowing essay, order it on our website: OrderCustomPaper.com

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