释义 |
zygotene
zy·go·tene Z0031650 (zī′gə-tēn′)n. The stage in prophase of meiosis during which homologous chromosomes become paired. [French zygotène : zygo-, pair (from New Latin; see zygo-) + -tène, ribbon (from Latin taenia; see taenia).]zygotene (ˈzaɪɡəˌtiːn; ˈzɪɡ-) n (Biology) the second stage of the prophase of meiosis, during which homologous chromosomes become associated in pairs (bivalents)zy•go•tene (ˈzaɪ gəˌtin, ˈzɪg ə-) n. the second stage of prophase in meiosis, during which corresponding chromosomes become paired. [1925–30; < French zygotène; see zygo-, -tene] ThesaurusNoun | 1. | zygotene - the second stage of the prophase of meiosisprophase - the first stage of meiosisphase, stage - any distinct time period in a sequence of events; "we are in a transitional stage in which many former ideas must be revised or rejected" |
zygotene
zygotene[′zī·gə‚tēn] (cell and molecular biology) The stage of meiotic prophase during which homologous chromosomes synapse; visible bodies in the nucleus are now bivalents. Also known as amphitene. zygotene
zygotene [zi´go-tēn] the synaptic stage of the first meiotic prophase in which the two leptotene chromosomes undergo pairing by the formation of synaptonemal complexes to form a bivalent.zy·go·tene (zī'gō-tēn), The stage of prophase in meiosis in which precise point for point pairing of homologous chromosomes begins. Synonym(s): zygonema [zygo- + G. tainia (L. taenia), band] zygotene (zī′gə-tēn′)n. The stage in prophase of meiosis during which homologous chromosomes become paired.zy·go·tene (zī'gō-tēn) The stage of prophase in meiosis in which precise point-for-point pairing of homologous chromosomes begins. Synonym(s): zygonema. [zygo- + G. tainia (L. taenia), band]zygotene a stage ofMEIOSIS near the beginning of Prophase 1, when the homologous chromosomes undergo SYNAPSIS so that identical genetical segments lie opposite to each other ready for CROSSING OVER. Although each chromosome is split into two CHROMATIDS, these are not usually visible.zygotene Related to zygotene: diplotene, meiosis, synaptonemal complexWords related to zygotenenoun the second stage of the prophase of meiosisRelated Words |