1. Apr 27, 2016 #1

   Titania

   

   I notice that centrioles always exist in pair. May I know why?

    

   Titania, Apr 27, 2016
2. 
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3. Apr 27, 2016 #2

   jim mcnamara

   

   Staff: Mentor

   Simplest answer - centrioles are the points of attachment of the fibers that pull apart the pairs of chromosomes - these are spindle fibers. Centrioles are in pairs because two separate points of attachment are required -> one for each daughter cell. Each daughter gets a copy of the duplicated chromosomes during mitosis.

    

   jim mcnamara, Apr 27, 2016
4. Apr 28, 2016 #3

   Titania

   

   Thanks, I get it now :)

    

   Titania, Apr 28, 2016

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