physical basis of heredity

physical basis of heredity
Zoology
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  • heredity — /heuh red i tee/, n., pl. heredities. Biol. 1. the transmission of genetic characters from parents to offspring: it is dependent upon the segregation and recombination of genes during meiosis and fertilization and results in the genesis of a new… …   Universalium

  • Genetics — This article is about the general scientific term. For the scientific journal, see Genetics (journal). Part of a series on Genetics Key components Chromosome DNA • RNA Genome …   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

  • metabolism — /meuh tab euh liz euhm/, n. 1. Biol., Physiol. the sum of the physical and chemical processes in an organism by which its material substance is produced, maintained, and destroyed, and by which energy is made available. Cf. anabolism, catabolism …   Universalium

  • List of books by Thomas Hunt Morgan — This is a list of books and monographs by the American geneticist Thomas Hunt Morgan. Morgan produced 22 books on embryology, genetics and evolution. Books are in order by date. Three of Morgan s co authors have their own articles: Calvin Bridges …   Wikipedia

  • History of evolutionary thought — This article is about the history of evolutionary thought in biology. For the history of evolutionary thought in the social sciences, see Sociocultural evolution. For the history of religious discussions, see History of the creation evolution… …   Wikipedia

  • Genetik — Die Rekombination der elterlichen Gene führt zu unterschiedlichen Phänotypen innerhalb eines Wurfes. Die Genetik (von griechisch γενεά geneá ‚Abstammung‘ sowie γένεσις génesis ‚Ursprung‘)[1][2] oder Vererbungsl …   Deutsch Wikipedia

  • MORGAN (T. H.) — MORGAN THOMAS HUNT (1866 1945) Généticien américain né à Lexington (Kentucky). Son activité universitaire et scientifique débuta au collège féminin de Bryn Mawr; il fut ensuite professeur de zoologie expérimentale à l’université Columbia (1904),… …   Encyclopédie Universelle

  • C. D. Darlington — Cyril Dean Darlington FRS[1] (19 December 1903 26 March 1981) was an English biologist, geneticist and eugenicist, who discovered the mechanics of chromosomal crossover,[2] its role in inheritance, and therefore its importance to evolution.… …   Wikipedia

  • mutation — mutational, adj. mutationally, adv. /myooh tay sheuhn/, n. 1. Biol. a. a sudden departure from the parent type in one or more heritable characteristics, caused by a change in a gene or a chromosome. b. an individual, species, or the like,… …   Universalium

  • ГЕНЕТИКА — (от греч. genesis происхождение), обычно определяется как физиология изменчивости и наследственности. Именно так определил содержание генетики Бетсон (Bateson), предложивший в 1906 г. этот термин, желая подчеркнуть, что из трех основных элементов …   Большая медицинская энциклопедия

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