目的建立绒毛滋养细胞染色体核型分析方法，用于探讨早孕期自然流产的病因。
Objective To establish the analysis method of chorionic trophocyte chromosomes and its application in study of early spontaneous abortion etiology.
结论本实验结果表明FISH在检测染色体畸变中比细胞遗传学核型分析方法敏感。
Conclusion The study showed that FISH was more sensitive than traditional cytogenetics in detection of chromosome aberrations.
核型分析方法和AFLP分子标记技术均能够有效区分石蒜属植物种间亲缘关系的远近。
Both karyotype analysis and AFLP technique were efficient in generating more accurate information on the genetic diversity and relationship of Lycoris.
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