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Continuity of germ-plasm
- 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.
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May 23, 2014 · 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.
Jun 3, 2022 · The key is in the special material of the germ cells, Weismann decided. Within these cells lies all the determinants necessary to direct development. Inheritance, that is, causes development and differentiation. Weismann’s theory postulated the existence of several levels of hypothetical units.
Darwin–Wallace Medal (Silver, 1908) 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. Weismann became the Director of the Zoological ...
- University of Göttingen
- 17 January 1834, Frankfurt am Main, Germany
- Darwin–Wallace Medal (Silver, 1908)
- Germ plasm theory
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
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.
Apr 15, 2024 · Darwinism. evolution. germ plasm. heredity. 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.
