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  • Spindle fibres attach on to:  Option: 1 Telomere of the chromosome  Option: 2</

Spindle fibres attach on to:
 

Option: 1

Telomere of the chromosome
 


Option: 2

Kinetochore of the chromosome
 


Option: 3

Centromere of the chromosome
 


Option: 4

Kinetosome of the chromosome
 


Answers (1)

best_answer

 

 

As we have learnt in:

Prophase: 

  • During this stage the chromatin condenses and the chromosomes are visible.
  • The nucleolus disappears and the nuclear envelope fragments.
  • With the disappearance of the nuclear membrane, the centrioles migrate to the opposite end and the spindle formation occurs.
  • Till prophase, the chromosomes have no particular orientation because the spindle has not yet formed.
  • During late prophase or prometaphase, kinetochores appear on each side of the centromere. 
  • The sister chromatids are attached to the so called kinetochore spindle fibers with the help of kinetochore.

 

-During late prophase or prometaphase, kinetochores appear on each side of the centromere. The sister chromatids are attached to the spindle fibres with the help of kinetochore.

Posted by

Divya Prakash Singh

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