染色体丝

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 .

TP可以改变前列腺上皮细胞染色体有丝分裂的方向。

( 2 ) It was a marked change of mitosis orientation in prostate epithelia cells .

人外周血淋巴细胞染色体有丝分裂时长度变化的分形特性初探

Fractal Behavior of Length Change in Human Mitotic Chromosome

染色体着丝点结构变化与习惯性流产的关系

A Study of Correlation between the Change of Chromosome Centromeric Dots and Habitual Abortions

多数染色体的着丝点区均显示出一个深浅不同的C带。

Most of the macrochromosomes show a prominent centromeric C-banding .

BmN细胞染色体及有丝分裂研究和家蚕胚胎细胞原代培养

Studies on Chromosomes and Mitoses of BmN Cells and Primary Culture of Bombyx Mori 's Embryonic Cells

经NdYVO4激光照射后，蚕豆根尖细胞中有丝分裂指数随着照射的时间的延长而降低。试验结果表明，NdYVO4激光对蚕豆根尖细胞染色体和有丝分裂有明显影响。

After Nd : YVO_4 laser treatment , mitosis index decrease as treatment time longer , experiment results show : Nd : YVO_4 laser to chromosome and mitosis of broad bean root tip cells have big effect .

着丝粒、端粒和复制起点是保持染色体在有丝分裂时稳定性的重要组分，利用酵母染色体的这些组分，1983年人们首次成功地构建了酵母人工染色体（YAC）。

Centromere , telomere and origins of replication are important elements to maintain the mitotic stability of chromosome . The Yeast Artificial Chromosome ( YAC ) was firstly built in 1983 triumphantly by using these elements of yeast .

在培养终止前加入秋水仙素，其浓度为0.12ug/ml，处理50分钟，此时大部分分裂相中的染色体处于有丝分裂的中期，经后处理可作核型分析用。

The majority chromosomes are at the stage of the metaphase of karyokinesis if colchicine is added to the culture medium , whose concentration is 0.12ug/ml and it 's effect is kept for 50 minutes .

某些染色体除着丝点外，还可见有近中部或近端部的结构异染色质。

It showed CHC , besides centromere , at the positions near end and medium of some chromosomes .

另外还观察到三极分裂、不均等分裂、落后染色体等有丝分裂异常现象有一个染色体不显带纹。

In addition , non equal mitosis , and small chromosomes were observed . Only one chromosome of the total complement does not show any banding pattern .

x染色体为中部着丝点，y染色体为端部着丝点。

The X chromosome is metacentric , the Y chromosome being telocentric .

继而，合子核经过DNA复制，最后凝缩成染色体，发生有丝分裂，其过程与正常二倍体相同。

After the completion of DNA copy , the chromatin of zygotonuceus condensed into chromosomes and then underwent mitosis , which was basically identical to the process of normal diploid .

第12号染色体具长着丝点区域。

The 12th chromosome of the karyotype has a long centromere region . According to the terminology defined by levan et al .

染色体上包含着丝点的区域，在细胞有丝分裂和减数分裂期间与纺锤体相整合的一种结构。

Centromere The region of the chromosome that contains the kinetochore , the structure that becomes attached to the nuclear spindle during mitosis and meiosis .

论述了从经过预处理的人体染色体图像中提取染色体中轴、计算染色体长度、着丝点指数和带纹特征的方法。

This paper relates the method of extracting Chromosome medial-axis-line , calculating the length of Chromosome , calculating the centromeric index and density profile from human Chromosome images .

然后，提出采用边界的高阶方向链码来判定染色体边界上明显凹凸点的分布，又根据染色体的细化中轴，自动判定出染色体着丝点的位置。

Then using high order chain code of boundary to detect the convex and concave points of the boundary . After that , automatically detect the location of chromosome centromere according to the thinning medial axis .