Why are there 23 pairs of chromosomes?

Netscape User netuser at eromanga.pmb.ox.ac.uk
Fri Jul 7 14:31:36 EST 1995

   Why are there only 23 pairs of chromosomes in human while simpler creatures may 
have many more chromosomes?  What are the mechanisms that decide the number of 
chromosomes in a creature?
   All plausible suggestions will be much appreciated.

best regards - teck sin

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