着丝点是染色体的主缢痕，在这个地方姐妹染色单体连在一起。
Centromere is the primary constriction on the chromosome, a region at which the sister chromatids are held together.
有两个着丝粒的结构异常的染色体。
Dicentric — a structurally abnormal chromosome with two centromeres.
图表中出现的结果包括每条染色体的相对长度、臂比、着丝点指数。
Table is presented listing the results obtained including the relative length, arm ratio and centromere index of each chromosome.
全部染色体进行测量分析，计算相对长度和双臂染色体着丝粒指数。
The chromosomes were measured and analysed on the basis of their relative length and centromere index.
染色体复制后仍由同一个着丝粒连在一起的两条子染色体。
Chromatids --- The two parallel strands of chromatin, connected at the centromere, that constitute a chromosome after DNA synthesis.
最长与最短染色体比值变化较大，为2.78～3.20； 平均臂比、着丝点指数、核型不对称系数、相对长度变化范围较小。
The ratio of the longest chromosome to the shortest range in 2.78~3.20. And index, index of karyotypic asymmetry and relatived length changed indistinctly.
对于1号和4号染色体，辐射诱发的易位率、双着丝粒体率的观察值与基于DNA含量的预期值相比，差异皆无显著性。
For radiation induced translocation and dicentrics in chromosomes 1 and 4, no significant differences were found between the observed frequencies and expected frequencies based on DNA content.
本文讨论了着丝粒横裂和并合及其在高等植物染色体进化中的意义。
In this paper, centric fission, centric fusion, their mechanism and significance in chromosomal evolution of higher plants were reviewed.
着丝粒和端粒DNA探针多色荧光原位杂交是一种较为精确的分析微核染色体组成的方法。
Multicolor FISH with centormeric and telomeric DNA probes was a precise technique for analyzing chromosomal composition of MN.
染色体数目、相对长度和着丝点位置均无明显区别。
No difference was observed in chromosomal number, relative length and chiasma location.
他们将染色体、着丝粒和中心体的起点连接起来。
They form a connection between the starting point in the chromosomes, the kinetochore, and the centrosome.
端粒克隆、着丝粒克隆以及重叠群之间空缺的大小都经过粗线期染色体荧光原位杂交鉴定。
BAC clones corresponding to telomeres, as well as to the centromere position and the gap sizes between contigs, were determined by BAC-pachytene chromosome fluorescence in situ hybridization (FISH).
着丝粒在染色体中间，两臂等长的染色体。
Isochromosome — an abnormal chromosome in which one arm is duplicated (forming two arms of equal length, with the same loci in reverse sequence) and the other arm is missing.
目的：为探讨人近端着丝粒染色体随体联合与自然流产的相关性。
Objective: To search the relationship between satellite associations in human acrocentric chromosomes and recurrent abortions.
2010年人表皮生长因子受体2检测：17号染色体着丝粒拷贝数是否具有影响？
Human Epidermal Growth Factor Receptor 2 Testing in 2010: Does Chromosome 17 Centromere Copy Number Make Any Difference?
目的探讨用多色荧光原位杂交(MFISH)技术检测的易位和双着丝粒染色体畸变的差异。
Objective To explore the differences between radiation-induced translocation and dicentric chromosome aberrations detected by multicolor fluorescence in situ hybridization (M-FISH) method.
由此她认为，染色体末端的一个结构防碍了染色体的变化，她把这个结构叫作“端粒”（在染色体端位上的着丝点）。
This led her to believe that a structure at the end of the chromosome prevents chromosomes from changing. She called this structure the telomere.
目的：探讨人胚胎滋养层细胞中染色体数目异常与着丝粒特异性蛋白质CENP-I表达水平的相关性。
Objective:To observe the expression level of CENP-I gene in human trophoblast cells with numerical chromosomal aberration.
随着染色体的复制，着丝粒始终连接着形成的两个染色单体。
Following the replication of chromosomes resultant chromatids remain attached at the centromere.
巨大亚中着丝粒染色体以较高的频率出现在何杰金氏病中表明它是非随机性的染色体异常。
The high frequency of giant submetacentric chromosome in Hodgkin's disease revealed that it was nonrandom chromosome abnormality.
结果：经太空诱变后的生物工程细胞染色体畸变率为：环状占10.5%，无着丝断片占36.75%，三射、四射体占13%。
Result: The abnormal chromosome rate of bio-engineering cells muted by outer space were: ring chromosome, 10.5%; acenericfragment, 36.75%; triceneric and fourcentric, 13%.
有证据表明，这些片段可能代表羚牛染色体着丝点的卫星DNA单体。
It also suggests that these BamHI fragments may represent repeat units of the centromeric satellite DNA of takin.
首次发现黑麦染色体的核仁组成中心区、着丝点和端粒均能用硝酸银染色。
It was found that NORs, kinetochores and telomeres could all be stained by silver nitrate.
结果表明，常染色体联会复合体的相对长度和着丝点指数与体细胞染色体的相应参数具有很好的吻合性。
It is shown that the mean relative lengths and centromeric indices of autosomal SCs agree closely with those of mitotic chromosomes.
染色体短臂近着丝粒区观察到次缢痕。
The secondary constriction has been observed on the centromere region of the chromosome No.
T-DNA在大多数染色体臂的末端分布较多而在着丝粒的周缘区域分布较少。
The distal regions of most of the chromosome arms had relatively high levels of T-DNA integration, while the pericentromeric regions had lower levels.
品种的中着丝粒单染色体，将分离到的单染色体放入0。
Narcissus monosomes with middle centromeres were isolated with glass needles with the help of micromanipulator and then put into 0.
品种的中着丝粒单染色体，将分离到的单染色体放入0。
Narcissus monosomes with middle centromeres were isolated with glass needles with the help of micromanipulator and then put into 0.
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