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Order of chromosomes?

Rcjohnsen rcjohnsen at aol.com
Fri May 12 13:20:03 EST 2000


<< Subject: Order of chromosomes?
From: "Telesphore" *nospam*info at gsdm.qc.ca 
Date: Fri, May 12, 2000 1:19 AM
Message-id: <h%IS4.1464$mD6.32338 at weber.videotron.net>

If 21 is the smallest, why doesn't he have  number 22?
 >>

Because they were sized by eyeball ad not the precise measurements we have
today.  Hence the mistake was uncovered.  Once genes/syndromes  were identified
and correlae with banding patterns it was too late the change the number. 
Everyone associated Down's with 21 and to change it to 22 would have resulted
in massive confusion.




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