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His main contribution involved germ plasm theory, at one time also known as Weismannism, according to which inheritance (in a multicellular animal) only takes place by means of the germ cells—the gametes such as egg cells and sperm cells.
- University of Göttingen
- 17 January 1834, Frankfurt am Main, Germany
- Darwin–Wallace Medal (Silver, 1908)
- Germ plasm theory
Jun 11, 2018 · Weismann’s most influential contribution to biological thought was his theory of the continuity of the germ plasm, an explanation of heredity and development.
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
1834-1914. German Biologist. A ugust Weismann, an early adherent to Darwin's theory of evolution, became famous for his studies on heredity.
Apr 19, 2023 · The German biologist August Weismann (see accompanying Article-in-Box for a biographical sketch) was one of the most important figures in biology during those eventful decades and is considered by many to be the most significant evolutionist in the first fifty years after Darwin.
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.
Weismann’s great contribution was the idea that germ-plasm — the name that he gave to the essential element of gametes, or eggs and sperm — carries the mat erial of heredity from one ...
