Weismann's germ plasm theory

Weismann's germ plasm theory
The theory that organisms maintain genetic continuity from organism to offspring through the germ line cells (germ plasm) and that the other (somatic) cells play no part in the transmission of heritable factors.

Dictionary of molecular biology. 2004.

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  • germ-plasm theory — Concept of the physical basis of heredity expressed by the biologist August Weismann (1834–1914). It claimed that germ plasm, which Weismann believed to be independent from all other cells of the body, was the essential element of germ cells… …   Universalium

  • Germ plasm — or polar plasm is a zone found in the cytoplasm of the egg cells of some model organisms (such as Caenorhabditis elegans , Drosophila melanogaster , Xenopus laevis ), which contains determinants that will give rise to the germ cell lineage. As… …   Wikipedia

  • Weismann, August (Friedrich Leopold) — ▪ German biologist born Jan. 17, 1834, Frankfurt am Main died Nov. 5, 1914, Freiburg im Breisgau, Ger.       German biologist and one of the founders of the science of genetics, who is best known for his opposition to the doctrine of the… …   Universalium

  • Weismann , August Friedrich Leopold — (1834–1914) German biologist Born at Frankfurt am Main, Weismann studied medicine at Göttingen, graduating in 1856. He took several temporary jobs before joining the medical faculty of the University of Freiburg in 1863. In his early work… …   Scientists

  • WEISMANN, AUGUST —    biologist, born at Frankfort on the Main; studied medicine at Göttingen; devoted himself to the study of zoology, the first fruit of which was a treatise on the Development of Diptera, and at length to the variability in organisms on which the …   The Nuttall Encyclopaedia

  • August Weismann — Friedrich Leopold August Weismann (Birth. January 17, 1834 in Frankfurt am Main; Death. November 5 , 1914 in Freiburg im Breisgau, ) was a German biologist. [ [http://www.nndb.com/people/747/000091474/ August Weismann ] at www.nndb.com] Ernst… …   Wikipedia

  • Boveri–Sutton chromosome theory — Walter Sutton (left) and Theodor Boveri (right) independently developed the chromosome theory of inheritance in 1902. The Boveri–Sutton chromosome theory (also known as the chromosome theory of inheritance or the Sutton Boveri Theory) is a… …   Wikipedia

  • August Weismann — Nacimiento 17 de enero 1834 Fráncfort del Meno Fallecim …   Wikipedia Español

  • Heredity — • The offspring tends to resemble, sometimes with extraordinary closeness, the parents Catholic Encyclopedia. Kevin Knight. 2006. Heredity     Heredity      …   Catholic encyclopedia

  • Neo-Darwinism — is the modern synthesis of Darwinian evolution through natural selection with Mendelian genetics, the latter being a set of primary tenets specifying that evolution involves the transmission of characteristics from parent to child through the… …   Wikipedia

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