1.methods: the chromosome were prepared with direct method, brief culture of cells and r-banding techniques, and the karyotypic analysis was performed on the base of complex classification.
方法:采用直接法、短期培养法和r显带技术制备染色体,根据复杂分类法进行染色体核型分析。
2.methods: the chromosome were prepared with direct method, brief culture of cells and r-banding techniques, and the karyotypic analysis was performed on the base of complex classification.
方法:采用直接法、短期培养法和r显带技术制备染色体,根据复杂分类法进行染色体核型分析。
3.methods multiplex fish was used in combination with conventional cytogenetics (cc) and interphase fish to study 14 cases of aml with complex karyotypic abnormalities.
方法联合应用常规细胞遗传学、间期荧光原位杂交技术和多重荧光原位杂交技术对14例伴有复杂核型异常的aml患者进行研究。
4.the ratio of the longest chromosome to the shortest range in 2.78~3.20. and index, index of karyotypic asymmetry and relatived length changed indistinctly.
最长与最短染色体比值变化较大,为2.78~3.20; 平均臂比、着丝点指数、核型不对称系数、相对长度变化范围较小。
5.the results demonstrate that the same species of different geographical populations have the same amount of chromosome and karyotypic formulae.
结果表明不同地理居群的同种蛙有相同的染色体数和核型模式。
6.conclusion chromosome karyotypic and y-chromosome azf microdeletion analysis are important genetic assays for male spermatogenesis dysfunction.
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。
7.the cases of karyotypic evolution mentioned so far have concerned karyotypes of related species.
到现在为止所提到的染色体组型进化的例子都是关于相近物种的染色体组型。