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          • Term
            • deme
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          • Definition(s)
            • A locally interbreeding population. Hypermedia Glossary Of Genetic Terms
          • Example sentence(s)
            • Basically, the virtual world where migrations take place is constituted by a matrix of demes. Each deme has its own environmental characteristics according to the input files. - Splatche
            • Key components of this simulation model include: (i) a three layer intra-deme population structure: hunter-gatherers, non-dairying farmers and dairying farmers. (ii) Population genetic simulation of a LP allele under selection, and an undrifted allele signifying general genetic background. (iii) Intra and inter-deme gene flow and sporadic longer distance migration (following a Gaussian random walk process). - UNIVERSITY COLLEGE LONDON
            • The application of the island model is limited because it does not in fact contain explicit geography: migrants are equally likely to have come from any deme in the population. - Oxford Journals
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    • Spanish
      • Genetics
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          • Term
            • demo, deme
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          • Definition(s)
            • demo [deme] m. (Ecol.) Población local de animales estrechamente relacionados. dēm(o)- δῆμος gr. 'pueblo', 'población' Leng. base: gr. Antigua reintroducida con cambio parcial de significado. En gr. dêmos δῆμος significa 'pueblo', 'población', con la misma ambigüedad que tienen los términos españoles, 'lugar donde vive un grupo de personas' y 'grupo de personas que vive en un lugar'; reintroducida con significado biológico desde 1833 en ingl. deme (Ecol.) Véase demo. Leng. base: gr. Neol. s. XIX. Es galicismo; docum. en fr. dème en 1808 aunque no en sentido biológico. Dic. médico-biológico, histórico y et - by M. C. Filgueira
          • Example sentence(s)
            • CONCEPTOS BÁSICOS DE ECOLOGÍA. • Especie, nicho ecológico, población, demo, metapoblación, comunidad animal. • Comunidades vegetales, hábitat, zona de vida, paisaje, ecosistema, ecoregión, bioma. - Universidad del Cauca, Colombia by M. C. Filgueira
            • Cualquier población grande que se distribuye en un área extensa tiende a estar más o menos fragmentada en distintas subpoblaciones, poblaciones locales o demes. El concepto de deme (equivalente ecológico al modelo de población mendeliana) hace referencia a un grupo de individuos que ocupa un área geográfica lo suficientemente restringida como para que estos individuos, al menos potencialmente, puedan cruzarse entre sí, compartiendo por ello un acervo génico común. - Universidad Autínoma de Madrid (p perso by M. C. Filgueira
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    • Italian
      • Genetics
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          • Term
            • deme
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          • Definition(s)
            • Categoria più ristretta dell’ecotipo. È l’unità di popolazione più piccola, formata da gruppi di individui geneticamente molto simili, uniti uno all’altro da un interno rapporto temporale e spaziale. Si tratta di porzioni molto ristrette di popolazioni parzialmente isolate. Deme (accezione comune): sottopopolazione Suffisso ‘-deme’: gruppo di individui appartenenti a una categoria tassonomica specifica Scienze della Terra - by texjax DDS PhD
          • Example sentence(s)
            • Natural species are often composed of subspecies that differ conspicuously except in the zones of intergradation, and these are likely to be subdivided into local races with market statistical differences and so on in hierarchic fashion to ones with only slight statistical differences. The ultimate unit is the more or less completely isolated local population or deme (Gilmour and Gregor 1939) within which breeding may usually be treated as occurring at random. It is very unusual for a whole species to consist in a single deme. […] The effective size of a deme is often so small that the recurrence rates of mutations are likely to be negligibly small even over considerable periods of time. On the other hand, immigration of individuals from other demes, followed by crossbreeding, must nearly always be a very important factor in their histories. - Evolution and the Genetics of Population by texjax DDS PhD
            • “Demes” are groups of individuals who are more genetically similar to each other than to any other individuals. - Responsible Genetics by texjax DDS PhD
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