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- Y chromosomal nondisjunction Y染色体不分离
- chromosomal nondisjunction 染色体不分离
- Keywords chromosome nondisjunction;Down syndrome;parental origin; 染色体不分离;先天愚型;双亲起源;
- Like mRNA, both tRNA and rRNA are transcripts of chromosomal DNA. tRNA及rRNA同mrna一样，都是染色体DNA的转录产物。
- chromosome nondisjunction 染色体不分离
- Aberrance of the Chromosomal in 20 patients(3.7% in 545 patients). 染色体变异共20例;占3.;7%25。
- All of 17 cases detected by CGH showed chromosomal aberrations. CGH技术检测的17例肺癌标本中均检出染色体畸变(扩增和/或缺失),而且每个病例涉及多条染色体畸变。
- The physician should also order chromosomal and hormonal studies. 还应该进行染色体和激素水平的检查。
- Chromosomal Structural Variation in Long-term Cultures Triticum aestivum L. 长期继代小麦培养细胞的染色体结构变异特征。
- Chromosomal arms 5AL, 4BL, 6BS, 7BL and 7DL carry genes for LSS character. (2 )控制并列小穗的基因定位在 5AL、4BL、6BS、7BL、7DL染色体臂上 ;
- Low level of PAPP-A was also associated with fetal chromosomal an... 结论:母体血清PAPP-A浓度可用来筛查胎儿染色体异常。
- Objective To study the genetic effect of balanced chromosomal translocation. 摘要目的研究染色体平衡易位的遗传效应。
- The stomatal size was positively related with the chromosomal ploidy. 气孔大小与染色体的倍性有一定的正相关关系。
- Telomeres are a special structure of chromosomal ends of somatic cells. 端粒是真核细胞染色体末端的特殊结构。
- Chromosomal translocation is a kind of common chromosomal abnormality. 染色体易位是常见的染色体结构异常。
- This P element then transposes from the plasmid to a random chromosomal site. 携带目的基因的P因子可从质粒转座到任意染色体上。
- Alternatively, like allopolyploids, they may arise by the nondisjunction of chromatids during the mitotic division of a zygote. 与异源多倍体相似的是，它们也是在有丝分裂中合子的染色单体不分离形成的。
- Having different alleles at one or more corresponding chromosomal loci. 杂合的在一个或更多的相应的染色体基因座上有不同的等位基因的
- Results 64% of oocytes were normal, 36% of oocytes were aneuploidy, of which 22% were due to nondisjunction and 14% unbalanced predivision. 结果64%25的卵细胞核型正常,36%25的卵细胞为非整倍体,其中22%25为同源染色体不分离,14%25为姐妹染色单体非平衡性过早分离。
- Autopoly-ploids may arise from the fusion of diploid gametes that have resulted from the NONDISJUNCTION of chromosomes at meiosis. 同源多倍体通常可能来自在减数分裂过程中染色体不分离导致的二倍体融合。
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