[Molecular-evolution] Re: ribosomal genes

Peter Ellis pjie2 at cam.ac.uk
Mon May 29 18:58:43 EST 2006


> "Des Higgins" <dazzhiggins at hotmail.com> wrote:
>
>  The possible mechanisms that allow concerted evolution include unequal 
> crossing over
>  (you have tandem repeats that match up incorrectly at meiosis; these swap 
> between
>  chromosomes and some are gained and some lost; this repeated sampling 
> creates
>  uniformity over time) and gene conversion (transcript of one gene 
> "corrects" the sequence
>  of another).

And how exact are these?  Any idea what percentage sequence variance, if 
any, would you expect in the ribosomal sequences within a single individual?

Peter 




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