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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.
Apr 15, 2024 · August Weismann (born January 17, 1834, Frankfurt am Main—died November 5, 1914, Freiburg im Breisgau, Germany) was a German biologist and one of the founders of the science of genetics. He 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.
Learn about the concept of germ plasm, the hereditary material that is passed from generation to generation, proposed by the 19th-century biologist August Weismann. Find out how his theory contradicted Lamarck's theory of acquired characteristics and how it influenced modern genetics.
- The Editors of Encyclopaedia Britannica
May 23, 2014 · Learn about August Weismann, a German zoologist who proposed the theory of the continuity of germ-plasm, a theory of heredity. He also supported Charles Darwin's theory of natural selection and studied the development and evolution of insects, jellyfish, and water fleas.
Germ plasm ( German: Keimplasma) is a biological concept developed in the 19th century by the German biologist August Weismann. It states that heritable information is transmitted only by germ cells in the gonads (ovaries and testes), not by somatic cells.
Jun 11, 2018 · Learn about the life and work of August Weismann, a zoologist who developed the theory of the continuity of the germ plasm and defended Darwin's evolution by natural selection. Explore his contributions to insect, crustacean, and hydroid embryology and his influence on Neo-Darwinism.
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Jun 3, 2015 · August Weismann reveals a scientist who grew up fascinated by nature and worked briefly as a medical doctor, then adjusted to roles as a faculty member at the University of Freiburg in Germany...
