Centromeres Cross Over, A Lot

Tuesday, June 17, 2008 - 10:21 in Biology & Nature

Recombination at centromeres is higher than anywhere else on the chromosome, even though methyltransferases do their best to prevent it, according to new research. Centromeric recombination has been hard to study because the DNA at centromeres is so repetitive -- it's hard to see when a segment has switched chromatids.

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