chromosome end染色体端chromosomen.染色体chromosome pulverization染色体粉碎chromosome hybridization染色体杂交Chromosome Fragile Sites染色体脆性位点chromosome framework map染色体骨架图chromosome configuration染色体构型chromosome fragmentation染色体断裂chromosome rearrangement染色体重排Chromosome transloeation染色体易位chromosome fractionation染色体分级分离, 染色体层分chromosome abnormalities染色体异常