Fine-scale recombination patterns differ between chimpanzees and humans.
Ptak SE, Hinds DA, Koehler K, Nickel B, Patil N, Ballinger DG, Przeworski M, Frazer KA, Pääbo S. Fine-scale recombination patterns differ between chimpanzees and humans. Nat Genet. 2005 Apr; 37(4):429-34.