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1.The target gene C-erbB-2 and control gene thymidine kinase are located on chromosome 17. The different size of two PCR fragments were produced by simulataneously performing PCR on test and control genes in the same PCR mix.
靶基因C-erbB-2和对照基因thymidine kinase均定位于17号染色体。 在同一反应体系中进行PCR反应可产生两个大小不同的PCR扩增的特异性片段,然后通过2%琼脂糖凝胶电泳将两片段分开,再用密度测定仪测定靶基因与对照基因的密度比率,当两者密度比率大于1时,表明存在C-erbB-2原癌基因扩增。收藏指正
2.The forth, in the five categories of WHO classification to AML, the first category associates with the recurrent chromosome abnormalities, which include M3, M2(the size of blasts is large with maturation and(or) M2b character), M4Eo and M5 with typical morphology, and molecular genetics examination should be suggested;
体会之四,WHO的AML五类中,第一类重现性染色体异常AML,形态学典型的M3、M2(原始细胞较大伴成熟特征或M2b特征)、M4Eo和M5,都可以提示这一类型,建议(分子)遗传学检查;收藏指正
3.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.
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)收藏指正
4.Chromosome numbers and ploidy are studied of 12 promising strains of Cultivated Chinese gooseberry, Actinidia chinensis var. chinensis, which stommed from the Mufu Mountain between the provinces of Hubei and Jiangxi, All strains are tetraploid with chromosome number 2n=116. The relationship between chro mosome ploidy and fruit size is discussed, and several breeding approaches to Chi nese gooseberry are proposed
对原产地位于赣鄂边界幕阜山地区的十二个大果型中华猕猴桃优株或株系的染色体数目观察表明,这些栽培类型全部为四倍体,2n=4x=116。 讨论了染色体倍性与果实大小的关系及几种可能的育种方法。收藏指正
5.Karyotype analysis indicated that all the chromosomes of Armeniaca are small in size. Chromosome length is 1.43-4.90μm.
核型结果表明,杏属染色体均小型,染色体长度1.43-4.90μm。收藏指正
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