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Jun 11, 2018 · WEISMANN, AUGUST FRIEDRICH LEOPOLD. ( b. Frankfurt am Main, Germany, 17 January 1834; d. Freiburg im Breisgau, Germany, 5 November 1914), zoology. Weismann’s most influential contribution to biological thought was his theory of the continuity of the germ plasm, an explanation of heredity and development. He maintained that the germ plasm, the ...
germ-plasm theory, concept of the physical basis of heredity expressed by the 19th-century biologist August Weismann (q.v.).According to his theory, germ plasm, which is independent from all other cells of the body (somatoplasm), is the essential element of germ cells (eggs and sperm) and is the hereditary material that is passed from generation to generation.
- The Editors of Encyclopaedia Britannica
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August Weismann’s 1892 theory that inheritance is transmitted through eggs and sperm provided the biological mechanism for natural selection. In this full-lengt...
Jun 3, 2015 · August Weismann: Development, Heredity, and Evolution. Frederick B. Churchill. Harvard Univ. Press: 2015. 9780674736894 | ISBN: 978-0-6747-3689-4. A monumental study of an important but ...
- Jane Maienschein
- maienschein@asu.edu
- 2015
The last four decades of the nineteenth century, between the publication of Darwin’s On the Origin of Species in 1859 and the rediscovery of Mendel’s work by Carl Correns, Erich von Tschermak and Hugo de Vries in 1900, were quite tumultuous for biology. Our understanding of the living world was greatly enhanced, both in detail and conceptual nuance, during this period, especially with ...
- Amitabh Joshi
- ajoshi@jncasr.ac.in
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. August Weismann.
Weismann and Evolution1. ERNST MAYR. Museum of Comparative Zoology. Harvard University Cambridge, Massachusetts 02138. August Weismann is one of the towering figures in the history. of evolutionary biology. If we ask who in the nineteenth century after Darwin had the greatest impact on evolutionary theory, the. unequivocal answer must be Weismann.
