What is the primary constriction on a chromosome called?

What is the primary constriction on a chromosome called?
  1. Chromosome constriction
  2. Chromosome disc
  3. Centromere
  4. Kinetochore

Solution

The primary constriction on a chromosome is called the centromere. This is the point on the chromosome where the two chromatids are held together.

Asked in: NCERT

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