| 单词 | chromosome |
| 释义 | chromosome [英 [?kr??m?s??m] 美 [?kro?m?so?m] ] chromosome的意思、解释 复数形式：chromosomes; chromosome 基本解释 名词染色体 chromosome 网络解释 1. 基因词汇Gene 染色体：chromosomal fibre 染色体牵丝 | chromosome 染色体 | chromosome complement 染色体组 2. 第二连锁群：染色体异常:Chromosome aberrations | 第二连锁群:Chromosome 2 | 染色体描绘:chromosome painting 3. 3. 染色体结构：染色体行为:Chromosome behavior | 染色体结构:chromosome | 染色体数目:chromosome number chromosome 双语例句 1. A technique for chromosome preparation using wheat coleoptile cells was introduced in this paper. 本试验对小麦胚芽鞘体细胞染色体制片技术进行了初步探索。 2. 2. In the human body complete 22 pair of euchromosomes, 1 chromosome contains the gene dosage to be most, reaches 3141, is average level two times, altogether has surpasses 223, 000, 000 basic groups to be right, breaks the difficulty to be also biggest. 在人体全部22对常染色体中，1号染色体包含基因数量最多，达3141个，是平均水平的两倍，共有超过2.23亿个碱基对，破译难度也最大。 3. Each daughter cell must receive an exact copy of each and every chromosome. 每个子细胞必须获得每个染色体的精确复本。 4. The micronucleus test has shown that cystamine has evident radioprotective effect at chromosome damage of blood lymphocyties and nucleated bone-marrow cells in irradiation rats. The Dose-Reduction Factor is 1.89 and 1.81 respectively. 微核测定法证明，胱胺对受照射大鼠的血液淋巴细胞和骨髓有核细胞染色体的辐射损伤有明显的保护作用，其剂量减低系数分别为1.89和1.81。 5. chromosome的解释 5. Results indicated that suppression of malignancy was observed in the hybrid cells, they became differentiated morphologically and functionally by:(1) changes in histochemical staining, nucleus-cytoplasm in ratio, and increase in cell size and nucleal heterochromation, but decrese in cell surface microvilli and number of nucleoli; (2) decrease of growth rate, mitotic index and DNA synthesis rate; (3) loss of the ability to growth in soft agar medium, and non-tumorigenic under heterotransplantation to nude mice; (4) reduction of chromosome number mainly of rat derivative and decrease in chromosomal aberration rate. 实验结果表明：（1）杂交细胞出现瘤细胞与网织红细胞杂交同样的表型逆转及去恶性化特征，主要表现在细胞体积增大、核质比例减小；DNA合同速率降低、分裂指数下降，细胞生长显著减慢；在软琼脂中不形成集落，在裸鼠体内失去了长瘤能力。 6. Furthermore, two forms of coadaptation between sex chromosomes, the interaction between a meiotic driver and its suppressor, and dependence of a Y-like chromosome on its homologue, were also probable reasons why sexual antagonism was not observed on old Y-like chromosomes. 类似 Y 的染色体对它同源染色体的依赖性；都可能是导致性别拮抗因子在晚期观察不到的原因。 7. The sterile and fertile plants of BC3 generation, derived from the hybridization between sterile line and restorer line and maintaining line, were detected by GISH-dcFISH. The observations showed that the fertile plants were all the Brassica napus-Xinjiang wild Sinapis arvensis monosomic alien addition lines, and the sterile plants had no Sinapis arvensis chromosome. 不育系分别与保持系、恢复系Nsa恢1、保持系杂交后获得了BC3代不育株及可育株，GISH-dcFISH分析结果表明，BC3代可育株为甘蓝型油菜－新疆野生油菜单体异附加系，而不育株中不含新疆野生油菜染色体。 8. The novel restorer line Nsa restorer-1 and its progenies were analysed by genomic in situ hybridization combined with double-colour fluorescence in situ hybridization technologies, the results showed that Nsa restorer-1 was Brassica napus-Xinjiang wild Sinapis arvensis disomic alien addition line, consisting of the whole genome of Brassica napus and a homologous chromosome pair of Xinjiang wild Sinapis arvensis. 用基因组原位杂交(genomic in situ hybridization，GISH)结合双色荧光原位杂交(double-colour fluorescence in situ hybridization，dc-FISH)技术，对甘蓝型油菜新型恢复系Nsa恢1及其后代进行了研究，结果表明，Nsa恢1为甘蓝型油菜-新疆野生油菜二体异附加系，包含了甘蓝型油菜全基因组和新疆野生油菜1对染色体，这1对新疆野生油菜染色体为同源染色体。 9. Chromosome mutations can occur naturally but their frequency is increased by the effect of x-rays and chemical mutagens. 染色体的突变是自然发生的，但通过 X 射线或化学诱变剂可以增加突变的频率。 10. Result There existed plenty of chromosome aberrations during the process of mitosis in treated samples and it was mainly showed the micronucleus production. 结果］处理样品有丝分裂过程中存在着大量的染色体畸变，主要表现为微核的产生。 11. chromosome的反义词 11. Understand the mechanism of cell cycle, be able to distinguish the process of mitosis and meiosis, and comprehend the causes and symptoms of cancer and abnormal numbers of chromosome. A-3 8 了解细胞周期、有丝分裂及减数分裂的过程，以及癌症与细胞染色体异常的原因。 12. The occurrence of a repeated section of genetic material in a chromosome. 连复段有节奏的乐句，尤指即兴演奏中不断重复的句子 13. Ccording to the Ames test specification, TA97, TA98, TA100 and TA102 strains were used and the ammounts of 3 kinds of dust and their mixture with benzopyrene were 5000, 500, 50 and 5 μg/plate, respectively. The number of colony was counted after culturing for 48 h at 37 ℃. SCE test was performed with peripheral blood lymphocytes of healthy men. The ammounts of 3 kinds of dust and their mixture with benzopyrene were 500, 50 and 5 μg/plate, respectively. The chromosome specimen slide was made after culture 72 h at 37 ℃ and the frequency of SCE was counted. There were triplicate plates in each group and negative and positive controls were set up in Ames and SCE tests. mes试验采用TA97、TA98、TA100和TA102菌株，将3种煤尘颗粒及其与苯并芘混合物各分为5000、500、50和5 μg/皿4个剂量组，并分为加与不加S9两部分，细菌37 ℃培养48 h后计算回变菌落数；SCE试验采用健康成人外周血淋巴细胞，煤尘颗粒及其与苯并芘混合物样品分为500、50和5 μg/皿3个剂量组，标本37 ℃培养72 h后制成染色体并计数染色单体交换频率。2个试验均设阴性和阳性对照组，各剂量组均设3个平行样。 14. One obvious band of chromosome 1R PCR product was sequenced and the result showed that it was a varied repeative DNA of chromosome 1R, which proved that the microdissected 1R was correct. 对扩增产物中一条亮带进行测序，结果显示该序列是黑麦1R染色体上的一段高度重复可变序列，证明了分离染色体来源的可靠性。 15. chromosome什么意思 15. In this study, a chromosome segment substitution lines population, derived from Asominori /IR24 with Asominori as the recurrent parent, was planted and phenotyped for nine rice-eating-quality traits in three successive years. 随着人民生活水平的提高，对优质稻米的质量和数量都提出了更高的要求，品质改良成为目前水稻育种的重要目标，也是水稻研究的热点和难点问题。 16. The influences of different pretreatment time (1.5, 2.0 and 3.0 h), different fixation time (18.0, 21.0 and 24.0 h) and different dyeing solutions (acetate-carmine and basic fuchsin dyeing solutions) on the sectioning effect of chromosome from root-tip cells of onion were studied and compared. 研究比较了不同的预处理时间(1.5、2.0、3.0 h)、不同固定时间(18.0、21.0、24.0 h)、不同的染液（醋酸洋红染液、碱性品红染液）对洋葱根尖细胞染色体制片效果的影响。 17. 17. Result It was found in the results that the better pretreatment time for onion root-tip was 3.0 h and its better dyeing solution was basic fuchsin dyeing solution. On this basis, it was found that the chromosome number of tested onion was 2n=2x=16 through chromosome karyotype analysis on the root-tip cells of onion. 结果］结果发现，洋葱根尖的较好的预处理时间为3.0 h，较好的染液为碱性品红染液；在此基础上，通过洋葱根尖细胞染色体核型分析，发现试验所用洋葱的染色体数为2n=2x=16。 18. In L. sprengeri, there were six sites of 5S rDNA in distal of chromosomes, and four sites of which were light, while the other two weak; Two sites of 45S rDNA just were detected at chromosome 4 and 5, which the other homologous ones had no hybridization signals. 换锦花中有6个5S rDNA位点，位于染色体端部，4个位点的信号强、2个位点的信号弱；2个45S rDNA位点分别在4、5号染色体的一条同源染色体上。 19. In our cytogenetic investigation, a bisatellited dicentric extra small chromosome was found in a 10 year old girl with mental retardation and congenital anomalies. Her father, two old sisters and an uncle has a 22pss variant respectively. 在疑有染色体异常患儿的细胞遗传学调查中，作者发现一患者携带一条双随体双着丝粒额外小染色体；其父亲、两个姐姐和一个叔父均携带一条22pss变型。 20. Results All the 5 eel1 lines were hypotriploid and showed a modal number of 58 for PC1, 56 for PC2, 61 for PC3, 53 for PC4 and 54 for PC7 with different proportion of complex chromosome rearrangements including dicentric chromosomes, double-minute chromosomes, ring chromosomes, acentric fragments or complex chromosome translocation, etc. 结果 5株胰腺癌细胞系均为以亚三体为主的核型；染色体众数目分别为PC1：58，PC2：56，PC3：61，PC4：53，PC7：54；各细胞系中可见不同比例的双着丝粒染色体、双微体、环状染色体、无着丝粒染色体片段或复杂易位等多种畸变。 chromosome 词典解释 1. (动、植物的)染色体 A chromosome is a part of a cell in an animal or plant. It contains genes which determine what characteristics the animal or plant will have. chromosome e.g. Each cell of our bodies contains 46 chromosomes. 我们人体的每个细胞都包含46个染色体。 chromosome 单语例句 1. The mutation targeted an enzyme highly active in cancer cells called telomerase, which helps to preserve chromosome structures during the corrosive process of cell replication. 2. Her study suggests that chromosome 11 may carry a tumour suppressor gene and have a pathogenic role in ovarian cancer. 3. Down syndrome is caused by the presence of an extra chromosome in the fetus'cells. 4. An egg fertilized by a Y chromosome sperm will produce a boy while an X chromosome sperm results in a girl. 5. The reason for the disease is that father and mother each have one abnormal chromosome among their 23 pairs of chromosomes. 6. A faulty gene on Chromosome 16 boosts the risk of developing Type 1 diabetes, according to the latest probe into the causes of this disease. 7. Scientists believe by comparing the Y chromosome of the two families, they will be able to confirm if the families were blood relatives. 8. Men with a version of the gene known as " mm " produce more sperm with the Y chromosome and are likely to have sons. 9. I recognize that this is part of our heritage, but I do not think this heritage is exclusively contained in the Y chromosome. 10. Researchers are now analyzing each chromosome to understand the genetic basis of human body thoroughly. chromosome 英英释义 noun 1. a threadlike strand of DNA in the cell nucleus that carries the genes in a linear order e.g. humans have 22 chromosome pairs plus two sex chromosomes |
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