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Solution


Q.

Spindle fibers attach on to  [2016]
1 centromere of the chromosome
2 kinetosome of the chromosome  
3 telomere of the chromosome  
4 kinetochore of the chromosome  

Ans.

(4)

Small disc-shaped structures at the surface of the centromeres are called kinetochores. These structures serve as the sites of attachment of spindle fibres to the chromosomes that are moved into position at the centre of the cell."