Nat. Genet. 37, 1224–1233 (2005).

The first sentence of the first paragraph in the Results section should begin, “In the BXD cross, female F2 mice homozygous with respect to the DBA/2J (DBA) allele at the Alox5 locus had higher fat mass...”. The fourth sentence in the legend to Figure 2 should begin, “Regions with five or more SNPs in a 25-kb interval were designated non-IBD between B6 and DBA...”.