科学家认为，女性更健康的原因可能在于微rna(核糖核酸)，它是染色体上RNA编码的短片段。
The reason why women are more robust appears to be microRNAs - short strands of RNA encoded on the chromosome, scientists believe.
以小鼠为对象，对其注射汞化合物，然后检验其骨髓细胞微核和染色体，了解畸变情况。
Young mice were injected mercury compounds and the distortion of their marrow cell micronucleus and chromosome were observed.
结论烹调油烟冷凝物可引起外周血淋巴细胞的染色体畸变，对微核的产生影响较小。
Conclusion The cooking oil fume condensate may induce chromosome aberration, but has no obvious effect on frequency of micronucleus.
微核技术作为染色体损伤的快速检测方法，近年来获得广泛的应用。
Recently years, micronucleus technology has been widely used as a method for rapidly detecting the damage of chromosome.
HPRT基因突变频率与染色体畸变、微核具有良好的相关性。
The HPRT gene mutation frequencies had better linear relations with chromosome aberrations and micronuclei.
应用微铺展技术在扫描电镜下对人类染色体的高序结构进行了研究。
The scanning electron microscopical study on higher order structure of human chromosome was made with modified surface microspreading technique.
此外，观察了前期I的簇毛麦染色体形态，统计了四分体和小孢子中小麦和簇毛麦染色质微核频率。
Otherwise, the chromosome morphology involving Haynaldia chromatin was observed at preleptotene I, and the frequencies of chromatin nucleus at tetrad stage and at microspore stage were investigated.
方法采用小鼠骨髓细胞微核试验和小鼠骨髓细胞染色体畸变试验。
Methods The micronucleus assay in mice marrow PCE and chromosome aberration assay in mice marrow cells are used.
静脉采血检测染色体畸变、姊妹染色单体交换（SCE）、细胞微核的发生率。
The mean frequencies of chromosome aberration (CA), sister chromatid exchange (SCE), and micronucleus(MN) were analysed.
方法采用微量全血常规培养法制备外周血淋巴细胞染色体畸变和微核标本。
Methods The slide preparation of chromosome and micronucleus were performed using the routine culture of micro-whole blood.
以不同浓度的污水和硫酸铝作为诱变剂，测定豌豆根尖细胞的有丝分裂指数、微核率和染色体畸变率。
With different concentrations of sewage and aluminum sulfate as a mutagen, pea root tip cells in the mitotic index, micro-rate and the rate of chromosomal aberrations are determined.
研究发现，SO_2及其衍生物可引起人外周血淋巴细胞、小鼠骨髓细胞、中国仓鼠肺成纤维细胞等哺乳动物细胞的染色体畸变、姊妹染色单体交换及微核的形成。
Several studies have shown that SO2 and its derivatives could induce chromosomal aberrations, sister chromatid exchanges and micronuclei in human blood lymphocyte, bone marrow cell in mice and CHL.
目的：探讨非特发性男性不育症与Y染色体微缺失的关系。
Objective:To explore the relationship between Y chromosome microdeletion and non-idiopathic infertility in male cases with dyszoospermia.
随着盐酸吗啉胍处理浓度的增加，有丝分裂指数降低，而微核率和染色体畸变率均升高；
The cell mitotic index decreased when the concentration of MH increased in a certain range, however, the ratios of micronucleus and chromosome aberration could increase.
结论染色体核型分析和Y染色体微缺失是男性生精障碍重要的遗传检测指标。
Conclusion chromosome Karyotypic and Y-chromosome AZF microdeletion analysis are important genetic assays for male spermatogenesis dysfunction.
男性不育原因多样，大量研究表明Y染色体微缺失与男性不育的关系密切。
Male infertility can be induced by many factors, and extensive studies have strongly indicated that Y chromosome microdeletions are closely related to male reproductive dysfunction.
分析结果进一步肯定了断片率、微核率可以作为测定细胞染色体辐射效应的一个可靠指标。
The results give a further confirmation that the chromosome fragment rate and mini-nucleus rate could be used as a reliable index to determine the effects of irradiation on chromosomes in cells.
第5染色体上的微效QT L源自籼稻亲本。
本文对893名职业照射人员外周血平行观察了染色体畸变率和淋巴细胞微核率。
This paper reports the parallel observations of chromosomal aberrations frequencies and micronuclei frequencies in peripheral blood lymphocytes from893 occupational exposure workers.
光钳和微束系统可用来切割染色体，收集染色体片段，融合细胞以及改变细胞和细胞器的行为。
It can be used to microdissect chromosomes, to collect the chromosome segments, to fuse the selected pairs of cells and to change the behavious of cells and organelles.
应用小鼠骨髓微核试验及小鼠睾丸染色体畸变试验，测试蜂胶对诱变剂诱发的染色体损伤的保护作用。
Micronucleus test of bone marrow cells and chromosome aberration test were performed in mice to assess the antagonistic effect of propolis to mutation induced by mutagens.
结果表明，苯甲酰胺可诱发蚕豆根尖细胞微核及染色体畸变的产生。
The results indicated that benzamide could induce micronucleated cells and chromosomal aberration.
目的研究烹调油烟冷凝物对离体外周血淋巴细胞染色体畸变率和微核率的影响。
Objective To investigate the effects of cooking oil fume condensate on the frequencies of chromosome aberration and micronucleus of peripheral blood lymphocytes.
第三部分，采用彗星试验、微核试验和染色体畸变试验检测和评估职业接触铅人群的遗传损伤效应。
Finally, comet assay, micronucleus and chromosomal aberration test were used to study and estimate the genetic damage effect of lead on occupational exposure workers.
方法：将小鼠骨髓细胞染色体畸变率和微核率作为观察指标，来评价沙棘等蔬菜水果的预防治疗效果。
Methods: the mice's sternum marrow cell chromosome aberration and micronucleus rate were adopted as observation indexes to evaluate their preventive and curative effects.
通过观察小鼠骨髓细胞染色体畸变和骨髓嗜多染红细胞微核率，研究对小鼠细胞遗传学的影响。
To study the cytogenetic changes, we observed the mice bone marrow cellular chromosome aberration and bone marrow polychromatic erythrocyte micronuclei ratio of mice marrow.
以FZK为受试物，通过小鼠经口急性毒性实验、小鼠骨髓细胞微核实验、小鼠骨髓细胞染色体畸变实验等毒理学实验对FZK的毒性进行了评价。
The toxicity of FZK was evaluated by acute toxicity test, micronucleus test of bone marrow cells in mice, and chromosomal aberration test of bone marrow cells.
目的：研究男性原发性无精及严重少精症患者Y染色体AZF微缺失区域与临床表型的关系。
The analysis of correlation between karyotype and AZF microdeletion on Y chromosome for patients with azoospermia and severe oligozoospermia.
本文报告不同浓度苯妥英钠体外培养人外周血淋巴细胞微核及染色体研究结果。
It reported the results of study on human peripheral blood lymphocyte micronucleus and chromosome cultured in vitro with different concentration of phenytoin sodium.
本文报告不同浓度苯妥英钠体外培养人外周血淋巴细胞微核及染色体研究结果。
It reported the results of study on human peripheral blood lymphocyte micronucleus and chromosome cultured in vitro with different concentration of phenytoin sodium.
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