Neighbor-Joining tree of 14 MUC4 major haplotypes with frequencies large than 0.02. Haplotypes specific for Chinese indigenous breeds and Western commercial breeds are indicated in red and blue, respectively. Haplotypes presented in both Chinese and Western breeds are highlighted in green.
Yang et al. BMC Genetics 2012 13:57 doi:10.1186/1471-2156-13-57