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Consv.of gene linkage in evol.

Christopher G Winter cgw1 at columbia.edu
Sun Jun 4 11:02:28 EST 1995

	I have a problem which begins with the fact that I have a nearly 
complete ignorance of genetics. My  question is: To what extent is the distance 
between two particular, unrelated genes conserved between eukaryotic  
species. If one finds that gene X and gene Y are close together in the 
genome of mouse, would you expect that the human homologues of gene X and 
gene Y would also be closely linked, or would you expect that their 
positions would be shuffled in the absence of some selective pressure to 
maintain their linkage? Some related  genes tend to be found in groups 
due , I suppose, to recent gene duplication events (I'm told this is true 
for some of the members of the interleukin family).But what about genes 
with no sequence homology to each other?
	I would be grateful if someone could set me straight on this, or 
at least point me in the right direction in terms of finding references 
which would answer this question.  

Thanks in advance,



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