脆性位点在细胞遗传学家看来,是染色体上的裂隙或不连续的间断区。在此间断处,如果标本做得好的话,可以看到有一些物质穿过。
染色体脆性位点 Chromosome Fragile Sites
和脆性位点 fragile sites ; FRT
通型脆性位点 common fragile sites ; CFS
在染色体普通脆性位点 common frigal of sites ; CFSS
普通型脆性位点 common fragile sites
脆性位点表达频率 Expression frequencies of fragile sites
具有常染色体脆性位点的个体 Individuals with autosomal fragile site
染色体脆性位点的的分布两组基本一致。
But the distribution of chromosome fragile site proved to be coincident in both groups.
本论文主要研究了脆性位点FRAXE在秦巴山区人群中多态性分布及与智力低下的关系。
This study is about the GGC repeat alleles polymorphism of FRAXE from children in Qinba Mountain Area and the association between FRAXE and mental retardation.
方法采用低叶酸tc 199培养诱导法,观察了31对染色体核型无异常的习惯性流产夫妇染色体脆性位点,并观察了脆性位点的分布。
Methods: TC199 low level of folic acid cultivation method was performed to analyse both the frequency and the distribution of chromosome fragile sites in 31 habitual abortion couples.
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