At this point each chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.

此时每条染色体由一对染色单体构成,这两条联合的染色体称为四分体.

《简明英汉词典》

The passive smoke children were studied via sister chromated exchange ( SCE ) and micronucleuqmeaxurement.

本文采用姐妹染色单体交换 ( SCE ) 和微核测定法作被动吸烟儿童的体内研究.

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SCE technique demonstrated no change in the genetic material.

SCE检测,小剂量LaCl_3长期作用后,未见姐妹染色单体交换增多.

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Following the replication of chromosomes, resultant chromatids remain attached at the centromere.

随着染色体的复制, 着丝粒始终连接着形成的两个染色单体.

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Crossing over The exchange of material between homologous chromatids by the formation of chiasmata.

交换:同源染色单体之间形成交叉时遗传物质的交换现象.

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During anaphase the fibers begin to shorten , and the chromatids begin to move apart.

在分裂后期,纤维开始变短, 染色单体分离.

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METHODSTo determine the sister chromatid exchanges SCE of chronic alcoholism patients by peripheral blood culture.

应用外周全血淋巴细胞培养方法检测慢性酒精中毒患者淋巴细胞姐妹染色单体交换率.

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The spirally coiled central filament of a chromatid along which the chromomeres are aligned.

染色线,染色''.'丝'.''染色单体的中间''.'丝'.''状体螺旋盘绕在排成一列的染色粒上.

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RESULTSThe SCE is higher in chrio nic alcoholism patients than those in control subjects.

慢性酒精中毒患者姐妹染色单体交换率明显高于正常对照组,有显著性差异.

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To investigate the incidence of sister chromatid exchange ( SCE ) and its influencing factors.

探讨影响姐妹染色单体互换 ( SCE)频率的因素.

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Methods: The sister chromatid exchange ( SCE ) test in mice spermatogonia was used in the study.

方法: 采用小鼠精原细胞姐妹染色 单体 交换实验.

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The sister chromatid exchanged ( SCE ) frequency among infertile men increased in different degrees ( P & lt; 0.05 ).

男性不育者的姐妹染色 单体 交换率有不同程度的增高 ( P & lt; 0.05 ).

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