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1·There were no chromosome loss, art defect and change of banding pattern among the groups.

各组大鼠均无染色体丢失、臂缺损，以及染色体带型变化。

2·The researches on chromosome shape, structure, and banding pattern are foundation of gene mapping research.

研究染色体的形态、结构，尤其是带型，是基因定位与基因图谱研究的基础工作。

3·This method is applicable to the mulberry tree karyotype analysis as well as to the mulberry tree chromosome banding pattern study.

该方法适用于桑树核型分析，进一步可用于桑染色体分带。

4·Objective To explore the methods of karyotyping and G-banding of Schistosoma japonicum chromosomes and analyse the characteristics of the karyotype and G-banding pattern.

目的探索日本血吸虫染色体的制作及其G带显带方法，进一步分析其染色体核型和G带带型特征。