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August Friedrich Leopold Weismann FRS (For), HonFRSE, LLD (17 January 1834 – 5 November 1914) was a German evolutionary biologist. Fellow German Ernst Mayr ranked him as the second most notable evolutionary theorist of the 19th century, after Charles Darwin .
- University of Göttingen
- 17 January 1834, Frankfurt am Main, Germany
- Darwin–Wallace Medal (Silver, 1908)
- Germ plasm theory
August Weismann German biologist and one of the founders of the science of genetics, who is best known for his opposition to the doctrine of the inheritance of acquired traits and for his “germ plasm” theory, the forerunner of DNA theory.
May 23, 2014 · Keimplasma. English. August Friedrich Leopold Weismann studied how the traits of organisms developed and evolved in a variety of organisms, mostly insects and aquatic animals, in Germany in the late nineteenth and early twentieth centuries. Weismann proposed the theory of the continuity of germ-plasm, a theory of heredity.
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.
- The Editors of Encyclopaedia Britannica
Jun 11, 2018 · Weismann, August (1834–1914) A German biologist who established the improbability, if not impossibility, of the inheritance of acquired characteristics, as required by Lamarck's theory of adaptation.
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1834-1914. German biologist who was an early adherent of Darwin's theory of evolution and became famous for his studies on heredity. He denied that organisms could inherit acquired characteristics, touching off an important debate between his followers and the opposing neo-Lamarckians, who believed organisms could inherit acquired characteristics.
Jan 26, 2015 · The Germ-Plasm has an introduction and four parts, divided into fourteen chapters. In the Introduction of The Germ-Plasm, Weismann provides a brief history of hereditary theories before the germ-plasm theory. Weismann also gave an account for biologists who had influenced him.
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