四倍体与二倍体在形态学和细胞学上有明显差异。
There are obvious difference on morphology and cytology between polypoid and diploid .
二倍体功能大孢子的合点端细胞壁内的胼胝质荧光消失。
As development goes on, callose fluorescence disappears in the chalazal wall of diplosporous functional megaspore .
硅藻类的营养细胞是二倍体,它是由配子融合直接产生的。
In diatoms the vegetative cells are diploid, and are formed directly by the fusion of gametes.
结果表明,体外培养人胚肺二倍体成纤维细胞成活至52代,而含0。2%黄芪制取液的培养基使细胞成活至77代。
The results showed that heldf cultured in vitro lived up to52generations while the culture medium containing0.2% amb extract made the cells live up to77genera-tions.
结果:兔血管平滑肌细胞在PHB膜片上粘附率为77%,细胞增殖符合细胞的生长曲线,在PHB三维微孔支架上生长情况良好,并被证实为二倍体细胞。
Results: The adhere rate of VSMCs which were seeded on PHB was 77%, and the cells seeded on PHB grew well and were confirmed as diploid cells with FCM.
它是单细胞真菌,有单倍体和二倍体两种存在形态。
The fungus is unicellular and exists in both haploid and diploid phases.
甲型肝炎病毒TZ84毒株经2BS二倍体细胞培养制备成甲型肝炎灭活疫苗。采用普通狨猴和恒河猴进行疫苗的保护性研究。
Inactivated hepatitis A(HA) vaccine was prepared by culturing the strain TZ84 of HA virus in 2BS cells, and the immunogencity of it was studied in common marmosets and Macaca mulattas.
结果显示:结构完整的细胞DNA的荧光点图形成二倍体、四倍体的区域。
Dot plot image of DNA fluorescence could form region of diploid and tetraploid in integrated cell.
这些细胞持有二倍体核型。
体细胞中存在二倍体细胞是性细胞中出现二倍体细胞的前提。
Only if diploid cell was in somatic cells, it would appear in PMCs.
这些囊胚细胞,称卵裂球,每个细胞都有一套二倍体染色体组。
The cells of the blastula, called blastomeres, also each receive a full diploid set of chromosomes.
对细胞倍性鉴定结果表明,多数诱变株系为二倍体细胞和四倍体细胞共存的嵌合体,其中二倍体细胞平均占79.4%,四倍体细胞平均占20.6%。
The identification results of cell ploidy in the material induced showed that most strains were mosaic with diploid and tetraploid cells at average levels of 79.4% and 20.6% respectively.
细胞学观察表明,6一dmap阻止了纺锤体的形成和染色体的移动,导致一个融合的二倍性雄性原核的形成。
According to Cytological observations, 6-dmap disrupted the spindle at mitosis and inhibited chromosome movement, resulting in the formation of one diploid male nucleus.
结果表明:二倍体和三倍体卵母细胞发育差异明显。
The results indicate that oocytes development are obviously different for diploid and triploid oysters.
目的观察衰老的人胚肺二倍体成纤维细胞(2bs)对烷化剂甲磺酸甲酯(MMS)诱导的DNA损伤的应答。
Objective to explore the cellular response of human senescent diploid fibroblasts (2bs) to the DNA damage caused by methyl methanesulfonate (MMS).
目的:探讨在热休克条件下,人胚肺二倍体细胞MRC-5株诱导型热休克蛋白70(HSP70)在细胞水平的表达机制,以及对MRC-5细胞衰老的影响。
Objective: To explore the expressive mechanism of induced HSP70 and it' s effect on the senescence of MRC-5 cell in the heat shock condition.
利用流式细胞光度术测定了苹果12个二倍体,5个三倍体细胞核d NA含量。
Content of nuclear DNA for apple cultivars including 12 diploid and 5 triploid was measured by flow cytometry.
利用流式细胞术对4个葡萄二倍体、2个三倍体、1个四倍体试管苗的细胞核dna的相对含量进行测定。
The relative nuclear DNA content of nuclei isolated from young leaves including 4 diploid, 2 triploid and 1 tetraploid was measured by flow cytometry in grape cultivars.
流式细胞仪检测显示出大量亚二倍体细胞核型峰(凋亡峰),二倍体细胞峰减少。
Flow cytometer detection: Lots of sub-diploid nuclear peak appeared (apoptotic peak) and diploid cells peak reduced.
结果表明,体外培养人胚肺二倍体成纤维细胞成活至52代,而含0.2%黄芪制取液的培养基使细胞成活至77代。
The results showed that HELDF cultured in vitro lived up to 52 generations while the culture medium containing 0.2% AMB extract made the cells live up to 77 generations.
以外周血淋巴细胞制备染色体标本,人工复合三倍体鲤染色体数为150,其亲本红鲤、红鲫和散鳞镜鲤的二倍体染色体数均为100。
Chromosome preparations made from leucocyte cultures showed that the artificial multiple triploid carp has a chromosomal number of 150, and all the fore parental forms have 100.
组织培养中出现的多倍性细胞团和单倍性细胞,不会引起原二倍体物种的遗传性变异和性状变化。
The polyploidy cell masses and the haploidy cells appeared in the tissue cultures will not result in the hereditary variability and the changes of the character in the original diploid species.
结果显示角化型基底细胞癌组有异倍体16例,毛发上皮瘤组30例均为二倍体。
The results showed 16 of 30 specimens from keratinized type of basal cell epithelioma were aneuploid and 30 specimens from trichoepithelioma were all diploid.
结论胡麻油烟冷凝物具有诱导人胚肺二倍体细胞转化的作用。
Conclusion SOFC could induce human embryo lung diploid cell malignant transformation.
利用荧光显微术观察,发现同源四倍体水稻与其二倍体原种的糊粉层细胞壁纤维素物质都存在一个“充实”的过程。
The formation of the aleuronic layer cell wall in autotetraploid and its original diploid rice was studied by using the technique of fluorescence microscopy.
团头鲂同源四倍体每毫升血液红细胞的总体积和总表面积,均明显低于二倍体和倍间三倍体团头鲂(P<0.05);
The values of total erythrocyte volume and total surface area per milliliter blood are significantly(P<0.05) lower in autotetraploid than those in interploid 3n and 2n control.
对四倍体和二倍体催眠睡茄植株进行低温处理后,比较电解质外渗率和细胞膜损伤率。
Under the same temperature, the electrolyte exosmosis rate and damage of cytomembrane of tetraploid plants were lower than diploid plants.
染色体数目加倍,保卫细胞内叶绿体数目明显增多,约为二倍体的1.63倍。
The number of chromosome increased two times, and the chloroplast increased too, about 1.63 times.
四倍体贝类存活力较低,但具有较高的繁殖力,能产生较大的生殖细胞,并能与二倍体杂交产生100%的三倍体。
Tetraploid molluscs are of low viability but high fecundity and can produce larger gametes. Crosses between tetraploids and diploids can result in 100% triploids.
四倍体贝类存活力较低,但具有较高的繁殖力,能产生较大的生殖细胞,并能与二倍体杂交产生100%的三倍体。
Tetraploid molluscs are of low viability but high fecundity and can produce larger gametes. Crosses between tetraploids and diploids can result in 100% triploids.
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