An MLH1 haplotype is over-represented on chromosomes carrying an HNPCC predisposing mutation in MLH1.
Hutter P, Wijnen J, Rey-Berthod C, Thiffault I, Verkuijlen P, Farber D, Hamel N, Bapat B, Thibodeau SN, Burn J, Wu J, MacNamara E, Heinimann K, Chong G, Foulkes WD. An MLH1 haplotype is over-represented on chromosomes carrying an HNPCC predisposing mutation in MLH1. J Med Genet. 2002 May; 39(5):323-7.