Answer :
The Multiregional. model that attributes the origins of the modern humans to gene flow and to repeated the population movements.
Gene flow is also called as gene migration. the Gene flow is the transfer of the genetic material from one population to the another. Gene flow can take place as between the two populations of the same species and through the migration, and is mediated by the reproduction and the vertical gene transfer from the parent to the offspring.
Gene flow is the movement of the genes into or out of the population. Such as the movement may be due to the migration of the individual or the organisms that reproduce in their new populations, or to the movement of the gametes (e.g., as the consequence of the pollen transfer among the plants
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