The break in the continuity of the linkage groups indicates a lack of detectable linkage between the groups.<p><b>Copyright information:</b></p><p>Taken from "Comparative genome mapping of the deer mouse () reveals greater similarity to rat () than to the lab mouse ()"</p><p>http://www.biomedcentral.com/1471-2148/8/65</p><p>BMC Evolutionary Biology 2008;8():65-65.</p><p>Published online 26 Feb 2008</p><p>PMCID:PMC2266908.</p><p></p