zygotene

zygotene
The stage of prophase in meiosis in which precise point for point pairing of homologous chromosomes begins. SYN: zygonema. [zygo- + G. tainia (L. taenia), band]

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zy·go·tene 'zī-gə-.tēn n the stage of meiotic prophase which immediately follows the leptotene and during which synapsis of homologous chromosomes occurs
zygotene adj

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n.
the second stage of the first prophase of meiosis, in which the homologous chromosomes form pairs (bivalents).

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zy·go·tene (ziґgo-tēn) [Gr. zygōtos yoked together] the second stage of prophase in meiosis I, during which homologous chromosomes begin to pair off by the process of synapsis.

Medical dictionary. 2011.

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  • zygotène — ● zygotène adjectif (de zygote) Stade zygotène, le deuxième stade de la prophase de la première division de la méiose marqué par l appariement côte à côte des chromosomes homologues sur toute leur longueur. ● zygotène (expressions) adjectif (de… …   Encyclopédie Universelle

  • zygotene — [zī′gə tēn΄, zig′ətēn΄] n. [Fr zygotène < Gr zygon,YOKE + tainia, ribbon, tape: see TAENIA] the synaptic stage of the first prophase in meiosis, during which longitudinal pairing of homologous chromosomes occurs …   English World dictionary

  • zygotene — zygotene. См. стадия сливающихся нитей. (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.

  • zygotene — noun Etymology: International Scientific Vocabulary Date: 1911 the stage of meiotic prophase which immediately follows the leptotene and during which synapsis of homologous chromosomes occurs • zygotene adjective …   New Collegiate Dictionary

  • zygotene — /zuy geuh teen , zig euh /, n. Cell Biol. the second stage of prophase in meiosis, during which strands of homologous chromosomes line up and become pairs. [1925 30; < F zygotène; see ZYGO , TENE] * * * …   Universalium

  • zygotene — zy•go•tene [[t]ˈzaɪ gəˌtin, ˈzɪg ə [/t]] n. cbl the second stage of prophase in meiosis, during which corresponding chromosomes become paired • Etymology: 1925–30; < F zygotène; see zygo , tene …   From formal English to slang

  • zygotene — zigonema statusas T sritis augalininkystė apibrėžtis Antra mejozės pirmos profazės stadija, kuriai būdingas homologinių chromosomų susijungimas. atitikmenys: angl. zygonema; zygotene rus. зигонема; зиготена ryšiai: sinonimas – zigotena …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • zygotene DNA — zygotene DNA. См. зиготенная ДНК. (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.

  • zygotene — n. [Gr. zygon, yoke; tainia, ribbon] The 2nd stage in meiosis during prophase I, following the leptotene stage; homologous chromosomes (zygonema) begin to pair and coil about one another; see zygonema …   Dictionary of invertebrate zoology

  • zygotene — Classic term for the second stage of the prophase of meiosis I, during which the homologous chromosomes start to pair …   Dictionary of molecular biology

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