查询词典 x chromosome

Based on the data besides chromosomal relative length and arm ratio, the quantitative chromosome map was constructed.

而在多年生类玉米的两对同源染色体短臂上的近末端区域都检测到455 rDNA的杂交信号，而且在一对染色体上的信号点总是比另一对染色体上的大。

Without the help of microscope, computer etc, and lack of some related subjects such as statistics, in the initial stage of the development of karyotype analysis technique, scientists analyzed karyotype only by utilizing chromosome morphology mark length of chromosomes, arm ratio, satellites, etc.

除了通过显微镜，计算机等的帮助外，我们还需要一些相近学科方面所提供的知识，例如统计学，应用于原始期的染色体组型分析技术的发展，科学家分析染色体的组型仅仅利用染色体形态学上的标志（染色体长度，臂长比，着丝点等

There was a significant difference between Yanbian yellow cattle and Liyan hybrid cattle in the relative length of chromosome, centric index and arm ratio p

经t检验，延边黄牛和利延杂交牛的常染色体相对长度，性染色体相对长度、着丝粒指数和臂比的差异显著p

With the seeds of artificially cultivated 2-year-old A. heterophyllum as tested materials, the cells in metaphase in the seeds were made for observation, statistic and karyotype analysis, and based on the 2 main features of length ratio and arm ratio of chromosome, the karyotypes were classified according to the criteria of Stebbins.

方法］以人工栽培的2年生异叶天南星种子为试材，观察种子中的中期分裂相细胞并对其进行统计和核型分析，其核型分类根据核型中染色体的长度比和臂比2项主要特征，按Stebbins的标准进行划分。

Of the chromosomes with arm ratio over 2, and the ratio of the longest chromosome to the shortest one is 2.24:1, thus it belongs to 2B type, and the karyotype formula is 2n =2x =18 =8m (2SAT)+10m.

臂比大于2的染色体占22.2％，最长染色体与最短染色体的比值为2.24，核型类型为2B型，核型公式为2n=2x=18=8sm(2SAT)+10m。

The karyotype and banding patterns of the Songliao Black Pig were studied by method of peripheral blood ly-mphocytes culture and the techniques of G-,C-banding.The relative length,centromere index and arm ratio of each indi-vidual chromosome were analyzed.

采用外周血淋巴细胞培养方法以及C-显带和G-显带技术，对松辽黑猪进行了染色体组型分析及显带研究，并分析了各号染色体的相对长度、着丝点指数及臂比。

The karyotype belonged to "2B" type of Stebbins' karyotypic symmetry, the diversification area of the relatively length was 8.02%-23.28%, the arm ratio was 1.28~∞, the length ratio of the longest to the shortest chromosome was 2.90, and the AS.K% was 66.35%.

核型属于Stebbins核型分类中的&2B&类型，染色体的相对长度变化范围为8.02%~23.28%，臂比变化范因为1.28~∞，最长与最短的染色体的长度比为2.90，核型不对称性系数As。

Using the technique of natural aging,chloroform and EDTA treatment,well-resolved G-banding patterns were successfully obtained in Rana plancyt's mitosis chromosome firstly.The G-banding patterns appeared distinctive.

采用自然老化、氯仿处理及EDTA显带法，首次在金线蛙有丝分裂中期染色体上成功显示出G带，带纹反差强烈、特征鲜明。

These results demonstrate the evolvability of even a well-conserved process and suggest that changes in chromosome stoichiometry provide a source of heritable variation driving the emergence of adaptive phenotypes when the cell division machinery is strongly perturbed.

令人惊讶的是，这种适应性并不是通过DNA序列的改变来完成，而是主要由细胞中染色体数目的变化来调控，而这种改变将会传递给下一代。

The fluorescence in situ hybridization technique has established itself as a powerful improvement over conventional cytogenetic techniques and is now a well-accepted procedure for chromosome analysis and aneuploidy screening.

相对于传统的细胞遗传学方法，原位杂交技术具有很大的改进，已成为一种公认的染色体分析和非整倍体筛选技术。

The use of the web to spread fears that flicking the switch on the LHC could create a Black Hole that could swallow up the Earth particularly concerned him, he said.

他说，使用互联网散布恐慌说启动LHC会生成一个可能吞噬地球的黑洞的做法让他感到忧虑。

Not a single word have I written down.

我一个字也没有写下来。