Sorex araneus exhibits one of the most outstanding chromosomal polymorphisms found in mammals and a clear trend toward a segregatic distortion in favor of metacentrics during male meiosis has been found (Wyttenbach et al. 1998 ).
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The telomeric sync model of speciation: species-wide telomere erosion triggers cycles of transposon-mediated genomic rearrangements, which underlie the saltatory appearance of nonadaptive characters.
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