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  1. Jan 6, 2021 · The Evolution Theory, Vol. 1 of 2 Credits Constanze Hofmann, Alan, Marilynda Fraser-Cunliffe and the Online Distributed Proofreading Team at https: //www.pgdp.net (This book was produced from images made available by the HathiTrust Digital Library and The Internet Archive.)

  2. Jan 17, 2019 · August Weismann. August Weismann Family Background and Education. August Weismann was born in Frankfurt am Main, Germany, as the son of the high school professor Johann (Jean) Konrad Weismann, who had studied ancient languages and theology, and his wife Elise, née Lübbren, daughter of the district administrator and mayor of Stade ...

  3. Jun 9, 2015 · August Weismann reintroduces readers to a towering figure in the life sciences. In this first full-length biography, Frederick Churchill situates Weismann in the swirling intellectual currents of his era and demonstrates how his work paved the way for the modern synthesis of genetics and evolution in the twentieth century.

  4. Mar 16, 2014 · The German biologist August Weismann (1834–1914) proposed that amphimixis (sexual reproduction) creates variability for natural selection to act upon, and hence he became one of the founders of the Neo-Darwinian theory of biological evolution. He is perhaps best known for what is called “Weismann’s Doctrine” or “Weismann’s Barrier” (i.e. the irreversible separation of somatic and ...

  5. Dec 1, 2014 · In his monograph Darwinism (1889), and in subsequent publications, Wallace extended the contents of Darwin's Origin of Species (1859) into the Neo-Darwinian theory of biological evolution, with ...

  6. Abstract. This chapter focuses on August Weismann's theory of the germ-plasm. It is argued that both Weismann's failure to conceive of any alternative to the disintegration of the idioplasm as the mechanism of ontogenetic differentiation and nuclear control, and his failure to conceive of any genuinely facultative capacity on the part of the germ-plasm suggest that Weismann never conceived of ...

  7. Jan 17, 2020 · August Weismann, a German biologist, was born Jan. 17, 1834. Weismann became an early convert to Darwinian evolution in the 1870s, which wasn't all that uncommon, but he also subscribed wholeheartedly to Darwin’s mechanism of natural selection, a step that most of his contemporaries, English and German, refused to take.

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