[Molecular-evolution] ribosomal genes

[Jason S]

         [input]    [input]    [input]    [input]                             Hi there,

Here's a newbie question: if there are hundreds  of copies of ribosomal genes in a genome, how can we know which copy we  are working on? and how can we be sure that they are orthologous among  species?
  
With best regards,

Jason 
    jas2339 at yahoo.com
		
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