polysomy

  • 1Polysomy — is a condition in which an organism has at least one more chromosome than normal, i.e. the number of a particular chromosome is not diploid there may be three or more copies of the chromosome rather than the expected two copies. Polysomy is… …

    Wikipedia

  • 2polysomy — polysomy. См. полисомия. (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.

  • 3polysomy — polisomija statusas T sritis augalininkystė apibrėžtis Vienos ar keleto papildomųjų chromosomų buvimas chromosomų rinkinyje. atitikmenys: angl. polysomy rus. полисомия …

    Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • 4polysomy — Situation in which all chromosomes are present, and some are present in greater than the diploid number, for example, trisomy 21 …

    Dictionary of molecular biology

  • 5polysomy — State of a cell nucleus in which a specific chromosome is represented more than twice. Cells containing three, four, or five homologous chromosomes are referred to, respectively, as trisomic, tetrasomic, or pentasomic. Cf.:polyploidy. [poly + G.… …

    Medical dictionary

  • 6polysomy — poly·so·my …

    English syllables

  • 7polysomy — noun congenital defect of having one or more extra chromosomes in somatic cells • Hypernyms: ↑birth defect, ↑congenital anomaly, ↑congenital defect, ↑congenital disorder, ↑congenital abnormality …

    Useful english dictionary

  • 8полисомия — polysomy полисомия. Увеличение группы гомологичных хромосом за счет появления избыточных хромосом (третьей, четвертой и т.д. соответственно, трисомия, тетрасомия и т.п.), в основе П. неправильное расхождение хромосом в анафазе клеточных делений.… …

    Молекулярная биология и генетика. Толковый словарь.

  • 9polysomic — Pertaining to or characterized by polysomy. * * * poly·so·mic .päl i sō mik adj basically polyploid but having one or a few chromosomes present in a greater or smaller number than is characteristic of the rest of the chromosome complement… …

    Medical dictionary

  • 10Y chromosome — Human Y chromatid The Y chromosome is one of the two sex determining chromosomes in most mammals, including humans. In mammals, it contains the gene SRY, which triggers testis development if present. The human Y chromosome is composed of about 60 …

    Wikipedia