| 刺鳅性染色体的细胞遗传学确定证据 |
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| 引用本文： | 刘江东,黄晓,余其兴,周荣家,郭一清,刘利,张四明,邓怀,汪登强.刺鳅性染色体的细胞遗传学确定证据[J].武汉大学学报(理学版),1999(2). |
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| 作者姓名： | 刘江东 黄晓 余其兴 周荣家 郭一清 刘利 张四明 邓怀 汪登强 |
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| 作者单位： | 武汉大学生命科学学院，中国水产科学院长江水产研究所 |
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| 摘 要： | 通过对刺鳅有丝分裂中期染色体的核型、Ａｇ－ＮＯＲｓ和Ｃ－带分析，以及对精母细胞减数分裂粗线期二价体配对行为的系统观察，确定刺鳅具有一对异配的大型性染色体，其性别决定属ＸＸ／ＸＹ型
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| 关 键 词： | 刺鳅 性别决定 二价体 C－带 |
The Cytogenetic Evidences for Confirming the Existence of Sex Chromosomes in Mastacembelus aculeatus (Osteichthyes,Perciformes) |
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| LIU Jiang dong ,HUANG Xiao ,YU Qi xing ,ZHOU Rong jia ,GUO Yi qing LIU Li ,ZHANG Si ming ,DENG Huai ,WANG Den qiang.The Cytogenetic Evidences for Confirming the Existence of Sex Chromosomes in Mastacembelus aculeatus (Osteichthyes,Perciformes)[J].JOurnal of Wuhan University:Natural Science Edition,1999(2). |
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| Authors: | LIU Jiang dong HUANG Xiao YU Qi xing ZHOU Rong jia GUO Yi qing LIU Li ZHANG Si ming DENG Huai WANG Den qiang |
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| Institution: | LIU Jiang dong 1,HUANG Xiao 1,YU Qi xing 1,ZHOU Rong jia 1,GUO Yi qing 1 LIU Li 1,ZHANG Si ming 2,DENG Huai 2,WANG Den qiang 2 |
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| Abstract: | The systematic observation on the karyotype,Ag NORs,C bands and synapsis of pachytene bivalents in M.aculeatus are carried out,the results show that there is a pair of large hetero matching sex chromosomes in its karyotype and its sex determination belongs to XX/XY type. |
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| Keywords: | Mustacembelus aculeatus sex determination bivalents C bands |
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