常规染色法主要是通过观察染色体长度和着丝粒位置改变识别畸变。
The routine staining method is based on the differences in the length of chromosome and the site of centromere to distinguish the aberration.
着丝点是一个大分子物质，位于染色体的着丝粒上，在有丝分裂期间，是纺锤体微管附着的位置。
The kinetochores are the macromolecular structure that is associated with the centromeres of chromosomes and serves as the site of spindle microtubule attachment during mitosis.
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