diploid number


diploid number
диплоидное число
Основная характеристика кариотипа организма (вида), определяется по числу хромосом в метафазе соматического митоза, - например, у человека в норме 2n=46; у диплоидного организма число 2n характерно для всех клеток (при отсутствии индивидуальной изменчивости и хромосомного мозаицизма mosaicism), кроме гамет.

Англо-русский толковый словарь генетических терминов. — М.: Изд-во ВНИРО. . 1995.

Смотреть что такое "diploid number" в других словарях:

  • diploid number — diploid number. См. диплоидное число. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Diploid — The number of chromosomes in most cells of the body. This number is 46 in humans. It is naturally twice the haploid number of 23 chromosomes contained in human eggs (ova) and sperm. * * * Denoting the state of a cell containing two haploid sets… …   Medical dictionary

  • diploid — A diploid cell has its chromosomes in homologous pairs, and thus has 2 copies of each autosomal genetic locus. The diploid number (2n) equals twice the haploid number and is the characteristic number for most cells other than gametes …   Dictionary of molecular biology

  • diploid — dip loid (d[i^]p loid), a. [Gr. diplo os twofold + oid.] (Biol.) having a number of chromosomes corresponding to two copies of each chromosome; having double the basic number of chromosomes, as seen in a haploid cell. Contrasted to {haploid} and… …   The Collaborative International Dictionary of English

  • diploid — [dip′loid΄] adj. [ DIPL(O) + OID] 1. twofold or double 2. Biol. having twice the number of chromosomes normally occurring in a mature germ cell: most somatic cells are diploid n. a diploid cell diploidy [dip′loi′dē] n …   English World dictionary

  • diploid — dip loid (d[i^]p loid), n. [Gr. diplo os twofold + oid.] 1. (Crystallog.) A solid bounded by twenty four similar quadrilateral faces. It is a hemihedral form of the hexoctahedron. [1913 Webster] 2. (Biol.) a cell or organism having a number of… …   The Collaborative International Dictionary of English

  • diploid — I. adjective Etymology: International Scientific Vocabulary Date: 1908 having two haploid sets of homologous chromosomes < diploid somatic cells > • diploidy noun II. noun Date: 1908 a single cell, individual, or generation characterized by the… …   New Collegiate Dictionary

  • diploid — adj. [Gr. diploos, twofold] Having dual (2n) chromosomes, the normal number of cells in all but the mature germ cells in any individual derived from a fertilized egg; see duplex, haploid, polyploid chromosome …   Dictionary of invertebrate zoology

  • diploid — diploidic, adj. /dip loyd/, adj. 1. double; twofold. 2. Biol. having two similar complements of chromosomes. n. 3. Biol. an organism or cell having double the basic haploid number of chromosomes. 4. Crystall. a solid belonging to the isometric… …   Universalium

  • diploid nucleus — a cell nucleus containing the number of chromosomes typical of the somatic cells of the particular species …   Medical dictionary

  • diploid — dip•loid [[t]ˈdɪp lɔɪd[/t]] adj. 1) dvl having two similar complements of chromosomes 2) dvl an organism or cell having double the basic haploid number of chromosomes • Etymology: < G (1905) < Gkdiplóosdouble, with suffix of Ghaploid… …   From formal English to slang

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