中着丝粒染色体 meaning in English

metacentric chromosome

The first and second longest chromosomes are important in karyotype analysis and most of which are metacentric chromosome and submetacentric chromosome in lilium . hybrids were distinguishable by the existence and position of secondary constriction and arm ratio
百合的第一对和第二对染色体多为中着丝粒和近中着丝粒染色体，可以根据次缢痕有无与位置及臂比鉴定杂种。
In this paper , the genetic diversity of qinghai - lake naked carps was studied for the first time by methods of chromosome karyotype , protein ( isomzy ) electrophoresis and mtdna rflp . the results of chromosome karyotype indicated that : ? the diploid chromosome number of qinghai - lake nakked carp was 2n = 92 that comprised of 18 metacentric chromosomes , 18 submetacentric chromosomes , 16 telocentric chromosomes and 40 acrocentric chromosomes , and the karyotype formula was 18nvh8snvh6st + 40t , nf = 128
染色体核型研究结果表明；青海湖裸鲤染色体总数2n = 92条，由18条中着丝粒染色体、 18条近中着丝粒染色体、 16条近端着丝粒染色体和40条端着丝粒染色体组成，其核型式为： 18m + 18sm + 16st + 40t ， nf = 128 。