theory of germ plasm

theory of germ plasm
Биология: теория зародышевой плазмы

Универсальный англо-русский словарь. . 2011.

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  • 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

  • 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

  • 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

  • theory — /thee euh ree, thear ee/, n., pl. theories. 1. a coherent group of general propositions used as principles of explanation for a class of phenomena: Einstein s theory of relativity. 2. a proposed explanation whose status is still conjectural, in… …   Universalium

  • germ — germless, adj. germlike, adj. /jerrm/, n. 1. a microorganism, esp. when disease producing; microbe. 2. a bud, offshoot, or seed. 3. the rudiment of a living organism; an embryo in its early stages. 4. the initial stage in development or evolution …   Universalium

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

  • Karl Pearson — Infobox Scientist name = Karl Pearson |300px caption = Karl Pearson (né Carl Pearson) birth date = birth date|1857|3|27|mf=y birth place = Islington, London, England death date = death date and age|1936|4|27|1857|3|27|mf=y death place =… …   Wikipedia

  • Weis|mann|ism — «VYS mahn ihz uhm», noun. Biology. the theory of evolution and heredity propounded by August Weismann (1834 1914), a German biologist, especially his theory that germ plasm is the material basis of heredity and that acquired characters are not… …   Useful english dictionary

  • weismannism — Theory of the noninheritance of acquired characteristics. * * * Weis·mann·ism wī smə .niz əm, vī n the theories of heredity proposed by August Weismann stressing particularly the continuity of the germ plasm and the separateness of the germ cells …   Medical dictionary

  • 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

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