منابع مشابه
Augustin Prichard
generis humani varietate." He had been educated at a first-rate school, where he had been thoroughly grounded in ancient languages, literature, and history. After leaving school he had, by continental travel, acquired an equally good knowledge of niodern languages and of the natural sciences which particularly bore on the great subject of his Edinburgh thesis. In addition be was, by industry an...
متن کاملArthur William Prichard
With the death of A. W. Prichard, on January 13th, another old landmark of the medical profession in the West of England passed away. Born at the " Red Lodge," Park Row, Bristol, seventy-three years ago, he took a great deal of interest in this house, and during his life enriched its collection of old Bristol valuables by several gifts. He was the son of Augustin Prichard, a prominent surgeon o...
متن کاملEvidence , Mechanisms and Models for the Inheritance of Acquired Characters
Several different types of epigenetic inheritance system enable alternative functional states to be maintained in cell lineages that have identical DNA sequences. Both random and guided (directed) epigenetic variations can be transmitted by these systems, and lead to heritable modifications in cell structure and function. Although it is usually assumed that epigenetic inheritance does not occur...
متن کاملWaddington's widget: Hsp90 and the inheritance of acquired characters.
Conrad Waddington published an influential model for evolution in his 1942 paper, Canalization of Development and Inheritance of Acquired Characters. In this classic, albeit controversial, paper, he proposed that an unknown mechanism exists that conceals phenotypic variation until the organism is stressed. Recent studies have proposed that the highly conserved chaperone Hsp90 could function as ...
متن کاملLamarck, evolution, and the inheritance of acquired characters.
Scientists are not always remembered for the ideas they cherished most. In the case of the French biologist Jean-Baptiste Lamarck, his name since the end of the nineteenth century has been tightly linked to the idea of the inheritance of acquired characters. This was indeed an idea that he endorsed, but he did not claim it as his own nor did he give it much thought. He took pride instead in adv...
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ژورنال
عنوان ژورنال: Nature
سال: 1897
ISSN: 0028-0836,1476-4687
DOI: 10.1038/055342b0