本次研究结果表明桤木属物种间染色体数目有明显的差异。
The results suggested that obvious difference of chromosome number appeared among theseAlnus species.
染色体数目形态保持相对稳定。
在第6代之前染色体数目未发生改变。
The chromosome number of HMSCs remains original before passage 6.
染色体数目为100条左右。
对碱地风毛菊染色体数目及核型进行了研究。
In this paper, the chromosome numbers and karyotype of Saussurea runcinata are studied.
对许多物种来说，染色体数目是重要的分类学特征。
For many species, chromosome number is a useful taxonomic character.
染色体数目、相对长度和着丝点位置均无明显区别。
No difference was observed in chromosomal number, relative length and chiasma location.
对白刺花14个居群的染色体数目及核型进行了研究。
The chromosome number and karyotypes of 14 S. davidii populations have been studied.
染色体数目、形态和G-带带型均与过去报道的家猪相同；
The chromosome number, morphology and G-banded pattern all are similar to the domestic pigs reported previously;
其中仅有2个品种染色体数目少于50，3个品种多于60；
Only 2 cultivars had < 50 chromosomes, and 3 had more than 60.
背景：肿瘤细胞的染色体数目畸变是肿瘤细胞的特征性改变之一。
Background: Chromosomal number abnormality is one of the characteristic changes in tumor cells.
卵细胞染色体数目错误可能会导致胚胎流产，或导致唐氏综合征之类的严重婴儿病症。
Having the wrong number of chromosomes can cause an embryo to miscarry, or lead to serious medical conditions such as Down's syndrome.
本文叙述了小鼠肉瘤180(腹水型)的染色体数目和分布以及形态特征。
The present paper describes chromosomal Numbers, its distribution and morphological characteristics of ascites sarcoma 180 of the mouse.
除个别种内存在不同倍性的细胞型外，绝大多数种的染色体数目非常稳定。
Except a few species in which different polyploidy types were found, most species were very stable in chromosome number.
有染色体数目畸变的恶性肿瘤患者，无论临床转移或病理分级恶性程度都较高。
In the patients with malignant neoplasms, exitsmce of chromosome aberration predicted highly malignant in terms of cither clinical metastasis or pathological grading.
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.
结合以前该属染色体数目的报道，作者认为肋柱花属的染色体基数可能是8，而不是5。
Combined with the former chromosome numbers reports in Lomatogonium, the authors gress the b8Sic chrth mosome number for LOmatogonium probably is 8, not 5.
减数分裂是在配对的染色体交换DNA和细胞内染色体数目减半时的一种细胞分裂。
Failure has often struck at the stage of meiosis, a type of cell division during which paired chromosomes swap DNA and the number of chromosomes per cell is halved.
根据ISSR遗传相似系数划分的类群主要同染色体数目有关，也与地理分布有一定关系。
The species divided according to ISSR genetic similarity factors are mainly associated with chromosome number and to some extent with their geographic distribution.
目的探讨一种以胎盘绒毛取样进行荧光原位杂交（FISH）快速诊断染色体数目的方法。
Objective To study the numerical abnormality of chromosomes in lung cancer by dual-color fluorescence in situ hybridization(FISH).
染色体是遗传信息的载体，染色体数目和核型信息是植物分类学、细胞学、遗传学研究的基础。
Chromosomes are the carrier of gene. Chromosome number and karyotype are the ground work of taxonomy, cytology and genetics.
结果卵圆细胞在培养过程中倍增时间逐渐缩短，非整倍体染色体数目增加，在软琼脂中生长的克隆增多。
Results During long term cultivation, the population doubling time of the cells became shorter and the percentage of aneuploidy chromosomes and colonies grown in soft AGAR increased.
目的：探讨人胚胎滋养层细胞中染色体数目异常与着丝粒特异性蛋白质CENP-I表达水平的相关性。
Objective:To observe the expression level of CENP-I gene in human trophoblast cells with numerical chromosomal aberration.
由于不同物种的染色体数目、大小和形状有很大区别并且具有稳定性，因此核型可以为某一物种的特征。
A species can be characterized by its karyotype since the number, size, and shape of chromosomes vary greatly between species but are fairly constant within species.
非整倍性是指个体的染色体不均衡或者或者某些染色体比正常人的染色体数目多或者少包括唐氏综合症。
Aneuploidy is a chromosomal imbalance of one or a few chromosomes above or below the normal human chromosomal number of 46, which may lead a child to have abnormalities including Down Syndrome.
目的：研究体外培养发育的人胚卵裂球18、X及Y染色体数目变异和培养方式对颗粒细胞分泌功能的影响。
Objective:To study the numerical deviation of chromosome of 18, X and Y in blastomeres developed in vitro and effects of culture system on granulosa cells secretory function.
由于山羊和绵羊的染色体数目不匹配(分别为60和54)，由此产生的后代，如果它能够存活下来，也是不能够繁殖的。
Because goats and sheep have mismatched Numbers of chromosomes (60 and 54, respectively), the resulting offspring, if it survives, is sterile.
本文采取常规根尖压片法对5种干旱区野生观赏植物进行了染色体数目统计，并对其中的3种进行了核型分析。
The chromosome Numbers of 5 species were counted by root tip squash method, and karyotypes of 3 species of them were analyzed.
本文采取常规根尖压片法对5种干旱区野生观赏植物进行了染色体数目统计，并对其中的3种进行了核型分析。
The chromosome Numbers of 5 species were counted by root tip squash method, and karyotypes of 3 species of them were analyzed.
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