Why Genes Evolve Faster on Secondary Chromosomes in Bacteria Cooper, Vaughn S. ; Vohr, Samuel H. ; Wrocklage, Sarah C. ; Hatcher, Philip J. Abstract Publication: PLoS Computational Biology Pub Date: April 2010 DOI: 10.1371/journal.pcbi.1000732 Bibcode: 2010PLSCB...6E0732C