结合这两个种的染色体倍性鉴定、序列分析和栽培观察实验，初步确定划分为两个种。
Acoording the ploidy analysis of chromosome, sequences and the survey of cultivation in field, Opisthopappus is primarily divided into two species.
对染色体分类根据染色体的排列，数目，大小，形状或其它特点划分并排列(有机体或物种的染色体配对物)。
To classify and array (the chromosome complement of an organism or a species) according to the arrangement, number, size, shape, or other characteristics of the chromosomes.
微管杆形丝担负划分细胞中染色体的角色。
The rod-shaped filaments of the microtubules are responsible for dividing the chromosomes in a cell.
细胞的分化是一个动态的过程，带动激活和抑制特定的基因组，基因组转录活性和非活性染色质域的划分。
Cellular differentiation is a dynamic process driven by activation and repression of specific sets of genes, partitioning the genome into transcriptionally active and inactive chromatin domains.
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.
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.
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