Formation of stable epialleles and their paramutation-like interaction in tetraploid Arabidopsis thaliana.

Abstract excerpt

Polyploidization is found frequently in plants, and species previously considered to be diploid may show remnants of earlier polyploidization events on closer inspection of their genomes. The success of polyploids may lie in increased genetic redundancy supporting subsequent genetic diversification. Although doubling the genome does not generate diversity per se, recent studies show that rapid genomic...

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