What are the small disc-shaped structures at the surface of the centromeres called?

What are the small disc-shaped structures at the surface of the centromeres called?
  1. Chromatids
  2. Centromeres
  3. Kinetochores
  4. Asters

Solution

At this stage, metaphase chromosome is made up of two sister chromatids, which are held together by the centromere. Small disc-shaped structures at the surface of the centromeres are called kinetochores.

Asked in: NCERT

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