正常细胞有编号为1到22的成对染色体。
方法16个RB患者成对的肿瘤与其相应血清标本在13号染色体上14个微卫星标记处通过荧光PCR进行扩增，分析测定LOH ；
Methods Paired blood and RB tumor samples from 16 patients were analyzed with fluorescent PCR for LOH at 14 microsatellite marker loci on chromosome 13.
1987年和1988年以染色体倍数不同的- 15个小麦种为材料，研究不同染色体组成对诱导愈伤组织和分化绿苗的效应。
This study dealt with the effects of chromosome complement on callus induction and differentiation in 15 Triticum species of different Ploidy in 1987-1988.
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