centromere
US /ˈsɛntrəˌmɪər/
UK /ˈsɛntrəˌmɪə/
名词
着丝粒
the constricted region of a chromosome that separates it into a short arm (p) and a long arm (q). During cell division, the centromere is the point of attachment for the spindle fibers, which pull the sister chromatids apart.
示例:
•
The centromere plays a crucial role in chromosome segregation during mitosis.
着丝粒在有丝分裂过程中染色体分离中起着关键作用。
•
Each chromosome has a single centromere.
每个染色体都有一个着丝粒。