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学科主题: Chemistry ; Multidisciplinary
题名: MEIOTIC CHROMOSOME BEHAVIOR IN FEMALE INTERSEXES OF ARTIFICIAL TRIPLOID TRANSPARENT-COLORED CRUCIAN CARP
作者: GUI, JF ; LIANG, SC ; JIANG, YG
通讯作者: GUI, JF, ACAD SINICA,INST HYDROBIOL,WUHAN 430072,PEOPLES R CHINA
关键词: ARTIFICIAL TRIPLOID FISH ; FEMALE INTERSEX ; MEIOSIS ; ENDOMITOSIS ; CHROMOSOME PAIRING
刊名: SCIENCE IN CHINA SERIES B-CHEMISTRY
发表日期: 1991
卷: 34, 期:11, 页:1341-1353
收录类别: SCI
摘要: Chromosome behavior in meiosis was studied by air-drying, C-banding and surface-spreading methods in female intersexes of artificial triploid transparent-colored crucian carp (Carassius auratus). Chromosome pairing and contraction were obviously asynchronous. The preferential pairing of two homologous chromosomes was the major pattern of chromosome pairing, and a few triple pairing, repeated pairing, telomer or centromere associating and multiple pairing were also observed in the pachytene cells. The metaphase I cells were mainly composed of univalents, bivalents and trivalents, as well as few of other multivalents, such as tetravalents, pentavalents, hexavalents and heptavalents, were also found in some metaphase I cells. The chromosome elements including uni-, bi-, tri- and other multivalents varied considerably among the metaphase I cells, and the associating patterns of multivalents were also diverse. Some 6 n and 12 n cells, in which premeiotic endomitosis occurred once or twice, were found at the prophase and first metaphase of meiosis, and the pairing and associating patterns were basically similar to that of the triploid cells.
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/10354
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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GUI, JF; LIANG, SC; JIANG, YG.MEIOTIC CHROMOSOME BEHAVIOR IN FEMALE INTERSEXES OF ARTIFICIAL TRIPLOID TRANSPARENT-COLORED CRUCIAN CARP,SCIENCE IN CHINA SERIES B-CHEMISTRY,1991,34(11):1341-1353
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