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Objective To explore the relationship between X - linked spondyloepiphyseal dysplasia tarda (SEDL) gene escaping X chromosome inactivation( XCI) and SEDL phenotype. 目的探讨X-连锁迟发性脊椎骨骺发育不良(SEDL)基因逃避X染色体失活(XCI)及与临床表型的关系。
To establish time-efficient and sensitive method for detection of the methylation of FMR1(fragile X mental retardation)and XIST(X chromosome inactivation)genes,genomic DNA was deaminated by sodium bisulfite. 建立一种快速、灵敏的检测脆性X智障基因(fragile X mental retardation;FMR1)、X染色体失活基因(Xchromosome inactivation;XIST)甲基化的方法.
X chromosome inactivation pattern X染色体随机灭活模式
Keywords X chromosome inactivation;intron RNA;DNA sequence composition;nucleotide string; 染色体失活;内含子RNA;DNA序列分析;核苷酸字符串;
x chromosome inactivation 莱昂化作用, x染色体失活
X chromosome inactivation (XIC) X染色体失活（XCI）
There is random inactivation of one X chromosome in all cells of the female embryo at the blastocyst stage. 在胚泡期，女性的胚胎所有的细胞中，任意一条x染色体将失活。
In women, a faulty gene on one X chromosome is counteracted by a healthy copy. 对女性而言，那条正常X染色体上的基因完全可以替代另一条X染色体上的异常基因。
If we change the X chromosome to "Y" by bombarment method (or something like that). 如果我们用方法，将X染色体的其中一段打断，变成"Y";染色体。
The cloned retinoschisis gene (RS1) maps to the distal short arm of the X chromosome (Xp22.2). 近年来的研究已将RS基因定位于Xp22.;2(X染色体短臂远端)。
DMD occurs when a gene on the X chromosome fails to make the essential muscle protein dystrophin. 这种疾病的病因是在X染色体上的一个基因不能表达抗肌肉萎缩蛋白。
A noncoding gene named Xist produces an active RNA that coats the unneeded X chromosome. 称为Xist的非编码基因制造了活性RNA，将不必要的X染色体给覆盖起来。
But many primates, including humans, hae a third photopigment, encoded by a second gene on the X chromosome. 但是多数灵长类包括人类有着三种感光色素，通过在X染色体中的第二种基因编码。
Rather, we happened to find something on the X chromosome," Dr.Younkin explained. 相反的，我们碰巧在X染色体发现一些东西。
In some women, most often black women, the two X chromosome each encode a different G6PD isoenzyme. 在一些妇女，特别是黑人妇女，两条x染色体各自编码一种不同的G6PD同工酶。
Is Photosensitive Epilepsy Less Common in Males Due to Variation in X Chromosome Photopigment Genes? 光敏感性癫痫在男性较少见是否由于X染色头感光色素基因变异?
X-linked agammaglobulinemia is a genetic disease linked to the X chromosome and is seen in very young children. “一样的花费，更好的质量和服务”，这是新华翻译社对客户的承诺。
But many primates, including humans, have a third photopigment, encoded by a second gene on the X chromosome. 但是多数灵长类包括人类有着三种感光色素，通过在X染色体中的第二种基因编码。
Apoptosis inducing factor(AIF), whose gene lies in X chromosome, is likely an apoptogenic effector protein to mediates nuclear apoptosis directly. 凋亡诱导因子 (apoptosis inducingfactor ;AIF)基因定位于X染色体上 ;其编码产物是一种可直接介导细胞核凋亡的效应分子 .
Among them,3 cases were numeral abnormalities of X chromosome and 10 cases were structural abnormalities of X chromosome. 其中X染色体数目异常 3例 ,X染色体结构异常 10例。