性染色体

xìng rǎn sè tǐ
  • sex chromosome;allosome;heterosome
性染色体性染色体
性染色体[xìng rǎn sè tǐ]
  1. 结论:Turner氏综合征是儿童性染色体异常中最常见的类型。

    Conclusion : Turner 's syndrome is the most common abnormality of sex chromosome in children .

  2. 采用类似于MarkW.性染色体Z为中着丝粒染色体,W为近端着丝粒染色体。

    Similar to Mark W. The sex chromosome .

  3. 用间期细胞FISH技术快速分析性腺发育不全患者的性染色体数目异常

    Rapid detection of numerical sex chromosome abnormality on male gonad agenesis by interphase FISH

  4. 性染色体异常最多,并以克氏征(Klinefelter'sSyndrome)为主,共31例,占全部病例的15.50%。

    Sexual chromosome abnormalities were most commen , 31 cases of them were Klinefelter 's syndrome ( 15.50 % );

  5. Wang和他的团队发现性染色体确实参与了减数分裂过程。

    Wang and his team found that sex chromosomes did play a role in meiosis .

  6. 关于携带性染色体(尤指x染色体)基因决定的特征。

    Concerning characteristics that are determined by genes carried on the sex chromosomes ( on the X chromosome in particular ) .

  7. 结论染色体G带核型分析发现,可以明确鉴别犬第1~21号常染色体和性染色体,但很难可靠地鉴别其余的17对常染色体。

    Conclusion Canine autosomes 1 to 21 and sex chromosomes can be easily identified , but is not the rest 17 pairs .

  8. 大约55%的AL患者可检测到再现性染色体异常,其中最常见的是染色体易位。

    Recurrent chromosome aberrations can be detected in about 55 % AL patients , among which translocation is one of the most frequent .

  9. 在细胞遗传学分析基础上,用PCR-SSCP方法检测了与特异性染色体畸变有关的受照射小鼠c-Inyc原癌基因和p(53)抑癌基因的结构变化。

    Based on the cytogenetic analysis , tile structural changes of c-myc protooncogene and p53 anti-oncogene were examined by PCR-SSCP and Southern Blot methods .

  10. 性染色体均为46,XX。

    Their sexual chromosomes were 46 , XX .

  11. 研究分析了前12对常染色体和性染色体的G带带型,并绘制了包含165条带(其中75条阳性带)的G-带模式图。

    In addition , one haploid karyotype for the first 12 pairs of autosomes and sex chromosomes corresponded to 165 ( 75 positive ) G-bands showed by the ideogram .

  12. 方法采用X、Y染色体探针和间期双色间期FISH法检测35例异性异基因造血干细胞移植受者移植后不同时期的性染色体荧光杂交信号。并设对照组,分析检测的有效率。

    Method The fluorescence signal of samples from 35 cases in different periods after sex-mismatched allo-HSCT were detected by interphase FISH using chromosome enumeration probes ( CEP ) X and Y.

  13. 细胞学水平上鉴定性别是通过直接观察W、Z性染色体而进行,但由于染色体数目大、分散难度高,很容易引起人为的主观因素导致结果错误。

    The latter examines chromosomes in the cell nucleus assigning sex based on the size difference between W and Z chromosomes , but is prone to subjective error .

  14. 与其他性染色体非整倍体不同,XXX核型的患者并没有显著的身体特征。

    Unlike other sex chromosome aneuploidy , there are no general characteristic physical features for triple X patients .

  15. 为选出更高效、实用的牛胚胎性别鉴定方法,本实验根据已经报道的牛性染色体上DNA序列,选择并合成了8对扩增性染色体上DNA序列的引物。

    In order to develop a more efficient and applicable method of embryo sexing , 8 pairs of primers for sex chromosome DNA sequences were chosen and synthesized basing on some reported DNA sequences on XY chromosome .

  16. 在移植后不同时间,当染色体分析100%XX或100%XY结果,同步的bcr/AblmRNA基因持续阴性时,FISH可显示不同比例的供者源性染色体。

    When traditional karyotypes showed as 100 % XX or 100 % XY invariably , while bcr / abl mRNA gene express continuously negative , FISH showed different percentage of donor original sex chromosome .

  17. 5为异型性染色体(ZW型);

    The No. 5 is sex chromosome ( ZW type ) .

  18. 雌雄异株植物通常有一对XX/XY系统的可识别的性染色体,XX通常并不总是雌性植株。

    Dioecious plants normally have identifiable sex chromosomes with an XX / XY system , XX normally but not always being the female .

  19. 人类釉原蛋白基因是分别位于X和Y染色体上的一对等位基因,其在两条性染色体上的不同表达成为性别鉴定的重要方法。

    Human amelogenin gene is a pair of alleles , which located at X and Y chromosomes . Study on the expression changes of amelogenin on the sex chromosomes has been an important method for sex identification .

  20. 结果共检出15例性染色体异常患者,异常率为40.5%,其中X染色体数目异常10例,结构异常3例,含Y染色体有2例。

    Results 15 patients with chromosomal abnormalities , including 10 cases of X chromosome aneuploidy , 3 with structural abnormalities , and 2 with Y chromosome , were found . The ratio of abnormality was 40.5 % .

  21. 若用1条常染色体探针和1条性染色体探针进行FISH,可以区别头部有2个相同颜色荧光杂交信号的精子属非整倍体精子或二倍体精子。

    By using two color FISH with one euchromosome probe and one sex chromosome probe , the sperm with same color of two hybridization signals in one sperm head could be identified as aneuploidy sperm or diploid sperm .

  22. XO雌体中的X性染色体为M类型。所以XO雌体的生育能力可能与X(M)染色体有关,其上可能存在雌性育性基因。

    The X chromosomes in XO females are all type M. Hence , the reproductive capacity of XO females may be related to the X ( M ) chromosomes .

  23. 哺乳动物的性别发育经历了个连续不同时期;受精时期性染色体的构建(XY或XX);

    Mammalian sexual development is characterized by three distinct , sequential events : the establishment of sex chromosomal at fertilization ( XY , XX ) ;

  24. 脱纳氏综合征(TurnersSyndrome,TS)是比较常见的染色体疾病,性染色体X的部分或完全缺失或镶嵌型是本病的基本病因。

    Turner 's syndrome ( TS ) is a relatively common chromosomal disorder , caused by complete or partial X monosomy in some or all cells , with or without cell line mosaicism .

  25. 目的利用人类性染色体Amelogenin同源基因在X、Y染色体上序列长度的差异,选择设计引物,对考古样本进行古DNA性别信息研究。

    Objective Based on the sequence differences of Amelogenin homologous gene in the X and Y chromosomes , a pair of specific primers was designed to identify the sex of archaeological samples .

  26. 本文对XY配对行为进行了讨论,同时按性染色体配对特征划分了SC在粗线期的不同发展阶段。

    The XY chromosome ′ s synaptic behavior was discussed and the different development stage of SC in pachytene was described based on its sex chromosome ′ s synaptic character .

  27. 为了快速检测特异性染色体,采用引物原位标记和细胞化学技术,以7号,17号,X和Y染色体特异性寡核苷酸作引物,对外周血淋巴细胞分裂中期染色体和间期核进行定位研究。

    In order to identify specific chromosomes rapidly , with specific primers for chromosome 7 , 17 , X and Y , both metaphase and interphase nuclei of peripheral blood lymphocytes were detected by primed in situ ( PRINS ) labeling technique .

  28. 以XY型性染色体为模型,运用信息论方法研究了性连锁群体平衡的熵变规律。

    Based on the model of XY type sex chromosome , the entropy variation regularity of sex linked population equilibrium was studied by using the information theory method .

  29. 最常见的胎儿染色体异常涉及21、18、13号常染色体以及性染色体X及Y,产前诊断中有临床重要意义的染色体异常80%与这些染色体非整倍体或拷贝数的改变有关。

    The most frequent fetal chromosomal aberrations involve chromosomes 21 , 18 , 13 , X and Y. Aneuploidy or alterations in copy number of these five chromosomes account for about 80 % of clinically significant chromosomal aberrations diagnosed in the prenatal period .

  30. 雄性性染色体ZZ是整个染色体组中最长的一对近端着丝粒染色体;

    The sex chromosomes ZZ in the male are subtelocentri chromosome , which are the largest chromosome pair in the whole genome .