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Multiregional, not multiple origins.

M H Wolpoff1, J Hawks, R Caspari

  • 1Paleoanthropology Laboratory, Department of Anthropology, University of Michigan, Ann Arbor, MI 48109-1382, USA. wolpoff@umich.edu

American Journal of Physical Anthropology
|April 15, 2000
PubMed
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The multiregional evolution model explains human origins during the Pleistocene. It proposes gene flow between populations facilitated both species-wide changes and local adaptations, clarifying human evolution controversies.

Area of Science:

  • Paleoanthropology
  • Human Evolution
  • Population Genetics

Background:

  • The Pleistocene epoch witnessed significant human evolution.
  • Understanding human origins requires models that explain global patterns and regional variations.
  • Previous models often struggled to reconcile species-wide changes with local differentiation.

Purpose of the Study:

  • To elucidate the multiregional evolution model as a framework for human Pleistocene evolution.
  • To clarify common misconceptions surrounding the multiregional hypothesis.
  • To reduce controversy regarding the origins of modern humans.

Main Methods:

  • Conceptual model development.
  • Hypothesis formulation based on population genetics principles.

Related Experiment Videos

  • Distinguishing multiregional evolution from alternative theories.

    • Main Results:

    • The multiregional model posits a network of genic exchanges among evolving human populations.
    • This gene flow allows for simultaneous species-wide evolutionary change and local population differentiation.
    • The model refutes interpretations of independent origins, ancient divergence, or parallel evolution.

    Conclusions:

    • A correct understanding of multiregional evolution is crucial for resolving debates on modern human origins.
    • The model provides a robust explanation for the complex patterns observed in human evolution.
    • It emphasizes interconnectedness and gene flow as key drivers of human evolutionary history.