Coalescent simulations used to investigate the maximum possible genetic contribution of the native American dog population to the living American dog population. A) From genealogies generated under three different models, we estimated the probability that at least 8 of 13 ancient lineages coalesce to the exclusion of all modern samples. B) Schematic illustration of the isolation-admixture model.
Castroviejo-Fisher et al. BMC Evolutionary Biology 2011 11:73 doi:10.1186/1471-2148-11-73