The simplistic schema of the models
(A–C) Simple out of Africa (model S) (A), back to Africa (model B) (B), and out of Africa mixed (model M) (C). Please consult Table 1 for more details of time parameters (in y axis)and Table S10 for the interdependencies of those parameters. AFR is African, EUR is European, and ASN is East Asian. X is African archaic, N is Neanderthal, and D is Denisova.