BayesAss+ is a program that estimates recent migration rates between populations using MCMC. It also estimates each individual’s immigrant ancestry, the generation in which immigration occurred (i.e. the individual can be assigned as an immigrant from a specific population, a non-immigrant, or the offspring of an immigrant and a non-immigrant), the population (as opposed to the sample) allele frequencies, inbreeding (F) values within each population, and genotypes at any locus wit...