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Is DNA repair a substitute for sex?
Date:4/2/2008

n, in which the gene being repaired ends up having an identical DNA sequence to the gene repairing it. This can introduce the kinds of changes into the gene pool that sex usually does. (For example, a gene coding for brown eyes may repair a gene coding for blue eyes on its paired chromosome, and end up turning the blue-eye gene into a brown-eye one.)

We think that gene conversion resulting from DNA repair resulting from adaptation to (desiccation in) its environment may provide enough of the advantages of sex that bdelloids can survive, Mark Welch says.


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Contact: Diana Kenney
dkenney@mbl.edu
508-289-7139
Marine Biological Laboratory
Source:Eurekalert  

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