Question

Topic 4 -- How does the fact that humans ancestors seem to have always moved around the globe help argue that the “Regional Continuity Model” is plausible? Be specific using language from genetics. Regional Continuity advocates claim that gene flow helps explain the differences between local populations around the globe. O Regional Continuity advocates describe gene flow as a main feature of why modern H. sapiens are so similar today. With interbreeding between migrating H. sapiens and the local populations, gene pools would mix and start to match. Regional Continuity advocates do not believe gene flow was a major factor in Multi-regional evolution. They point out instead that Asian H. erectus are not identical to African H. erectus and that they could not interbreed.

Answer 1

Answer . - Option (B).

According to Regional Continuity model, modern Homo sapiens developed from different regional populations of archaic Homo sapiens that had previously evolved from regional populations of Homo erectus.

The Multiregional Hypothesis model of human evolution argues that our earliest hominid ancestors Homo erectus evolved in Africa and then radiated out into the world. This model suggests that modern Homo sapiens evolved from archaic humans throughout Europe, Asia, and Africa. According to this model substantial gene flow occurred on the borders of each of the regions, accounting for the physical similarities of modern humans in each area.