What determines the chromosome count of organisms?

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Offline thedoc

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Jeff Sykes  asked the Naked Scientists:
   
Dear NS,

How did the different organisms get their chromosome count? We have 23, and ferns have over 100, so it doesnt' seem to be linked to complexity. How does that change over time?

Thanks,

Jeff in Virgina, United States.


What do you think?
« Last Edit: 28/09/2012 07:30:02 by _system »