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A pair of centrioles

  1. Apr 27, 2016 #1
    I notice that centrioles always exist in pair. May I know why?
  2. jcsd
  3. Apr 27, 2016 #2

    jim mcnamara

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    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.
  4. Apr 28, 2016 #3
    Thanks, I get it now :)
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