Why Do Centrioles Exist in Pairs?

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SUMMARY

Centrioles exist in pairs to serve as attachment points for spindle fibers during mitosis. Each centriole provides a separate point of attachment necessary for the proper segregation of chromosomes into daughter cells. This pairing ensures that each daughter cell receives an accurate copy of the duplicated chromosomes. Understanding this mechanism is crucial for comprehending cellular division processes.

PREREQUISITES
  • Basic knowledge of cell biology
  • Understanding of mitosis and meiosis
  • Familiarity with spindle fiber function
  • Concept of chromosome duplication
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  • Research the role of spindle fibers in mitosis
  • Learn about the structure and function of centrioles
  • Explore the mechanisms of chromosome segregation
  • Investigate the differences between mitosis and meiosis
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Students of biology, cell biologists, educators, and anyone interested in the mechanisms of cellular division and chromosome behavior.

Titania
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I notice that centrioles always exist in pair. May I know why?
 
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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.
 
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Thanks, I get it now :)
 

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