二倍体

BACKGROUND: Embryonic stem cells develop from early blastular inner cell mass. Under proper condition, ESCs can maintain undifferentiated state in vitro, normal diploid nuclear type, and proliferative potential. In addition, ESCs possess multi-directional differentiation capacity and can differentiate into all sorts of cells of three germ layers.

背景：胚胎干细胞来源于发育早期囊胚的内细胞团，适当条件下能在体外维持未分化状态、正常二倍体核型及无限增殖能力，且具有多向分化潜能，能够发育分化成机体3个胚层的所有类型细胞。

Doubled pollens grains and calli may be formed in this way and non-haploid plants may be produced.

通过这些方式，可以形成加倍的花粉粒和愈伤组织，由此可产生自然加倍的二倍体植株。

Results:Of 585 ALL patients,551 patients received successful cytogenetic analyses (94%).

结果：585名ALL患者中共有551例核型分析成功(成功率94%)，其中300例(49%)观察到克隆性染色体异常。119例(22%)为高超二倍体(＞50条染色体)。

The catalytic activity of the chloroaluminate ionic liquids originated from dissociation of AlCl3 from dimeric anions Al2Cl7-.

离子液体中的催化活性来源于由二倍体阴离子Al2Cl7-解离生成的游离AlCl3。

In the studies on transferring and identifying alien chro-mosomes into wheat,the combined use of mitotic and meioticchromosome N-banding is also successfully practiced in deter-mination of T.durum-H.villosa amphipoid,five wheatalien disomic additions with H.villosa chromosomes,〓〓,alien sulstitution line with chromosome 〓 andsome translocation lines.

在外源染色体导入、鉴定研究中，利用根尖有丝分裂中期染色体和花粉母细胞减数分裂中期Ⅰ染色体的N-分带，快速、准确地鉴定了硬粒小麦一簇毛麦双二倍体、普通小麦一簇毛麦异耐加系V〓、V〓、V〓、V〓和V〓，普通小麦一簇毛麦异代换系V〓以及一些具有易位的杂种后代。

One protein band, which was named as abalone triploid special expression protein, was found to be distinguishingly existed in one to six years old triploid abalone by PAGE analysis. While in Pacific oyster and Zhikong scallop, there is no special expressed protein could be observed among diploid, triploid or tetraploid individuals.

用常规聚丙稀酰胺凝胶电泳技术研究发现皱纹盘鲍的二倍体和三倍体个体中存在稳定的差异表达蛋白质，命名为a-TSP；在长牡蛎的2n、3n、4n之间，及栉孔扇贝的2n和3n之间未获得类似的差异表达蛋白。

In this work, we used the sequences of nuclear genes (ITS, Adh2, Adh3 and Waxy) and cpDNA (trnL-F and matK) to explore the origin of Elymus species and the Y genome, and to reveal the mechanism of the geographical differentiation of the StY-genome Elymus species.

本文通过核基因ITS、Adh和Waxy基因以及叶绿体基因trnL-F和marK的序列分析了披碱草属相关二倍体种的系统发育关系和披碱草属植物的起源。

Objective To observe effects of Tuber Fleeceflower Root serum on activity of SOD, the expression of c-myc mRNA and the activity of telomerase of human fetal lung diploid fibroblasts (2BS).

目的 观察含何首乌血清对人胚肺二倍体成纤维细胞（2BS）超氧化物歧化酶活性、c-myc mRNA表达及端粒活性的影响。

Objective To observe effects of Tuber Fleeceflower Root serum on activity of SOD, the expression of c-myc mRNA and the activity of telomerase of human fetal lung diploid fibroblasts (2BS).

作者：李朝敢，韦星，农嵩，韦耀东，张树球目的观察含何首乌血清对人胚肺二倍体成纤维细胞（2BS）超氧化物歧化酶活性、c-myc mRNA表达及端粒活性的影响

By using SRAP technology, a polymorphism primer of E2M5 was successfully selected. The primer E2M5 can be used to test hybrid purity of a small fruited diploid watermelon variety Hongxiaoyu.

采用SRAP技术，成功筛选出1对多态性好的引物对E2M5，对二倍体小果型西瓜品种红小玉杂交种纯度开展了分子鉴定研究。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。