polyteny

polyteny
The presence within a cell of polytene chromosomes (large chromosomes with multiple synapsed chromatids)
See Also: polytene, polytenic, polyploidy

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  • polyteny — polyteny. См. политения. (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.

  • polyteny — noun see polytene …   New Collegiate Dictionary

  • polyteny — See polytenic. * * * …   Universalium

  • polyteny — poly·te·ny (pol″e teґne) successive reduplication of synapsed homologous chromosome pairs without separation into distinct daughter chromosomes or nuclear division …   Medical dictionary

  • polyteny — poly·te·ny …   English syllables

  • polyteny — noun see polytene …   Useful english dictionary

  • политения — polyteny политения. Многонитчатое состояние хромосом <polytene chromosome> некоторых соматических клеток у многоклеточных или некоторых одноклеточных организмов за счет многократной (иногда 10 циклов 210=1024 и более) эндоредупликации ДНК с …   Молекулярная биология и генетика. Толковый словарь.

  • polytene — 1. adjective Having very large chromosomes with many strands 2. noun A very large chromosome with many strands; a chromosome exhibiting polyteny See Also: polytenic, polyteny …   Wiktionary

  • polytene — adjective Etymology: International Scientific Vocabulary Date: 1935 relating to, being, or having chromosomes each of which consists of many strands with the corresponding chromomeres in contact • polyteny noun …   New Collegiate Dictionary

  • Karyotype — A karyotype is the number and appearance of chromosomes in the nucleus of an eukaryotic cell. The term is also used for the complete set of chromosomes in a species, or an individual organism.[1][2]p28[3] Karyotypes describe the number of… …   Wikipedia

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