英语语法分析

Centromere is the primary constriction on the chromosome, a region at which the sister chromatids are held together.

着丝点是染色体的主缢痕，在这个地方姐妹染色单体连在一起。

Following the replication of chromosomes resultant chromatids remain attached at the centromere.

随着染色体的复制，着丝粒始终连接着形成的两个染色单体。

The chromosomes were measured and analysed on the basis of their relative length and centromere index.

全部染色体进行测量分析，计算相对长度和双臂染色体着丝粒指数。