NEETBotanyCell - The Unit of Life
What is the primary constriction on a chromosome called?
Options
- AChromosome constriction
- BChromosome disc
- CCentromere
- DKinetochore
Correct answer
C. Centromere
Step-by-step solution
Every chromosome (visible only in dividing cells) essentially has a primary constriction or the centromere on the sides of which disc shaped structures called kinetochores are present (Figure 8.12). Centromere holds two chromatids of a chromosome.