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Positive selection on the human genome.

Eric J Vallender1, Bruce T Lahn

  • 1Department of Human Genetics, Howard Hughes Medical Institute, University of Chicago, Chicago, IL 60637, USA.

Human Molecular Genetics
|September 11, 2004
PubMed
Summary
This summary is machine-generated.

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Positive selection shaped key human traits like large brains and advanced cognition. This review examines genes affected by this evolutionary force, offering insights into human uniqueness.

Area of Science:

  • Evolutionary biology
  • Genetics
  • Human origins

Background:

  • Positive selection has significantly influenced the evolution of Homo sapiens.
  • Key human traits such as large brains, cognitive abilities, and bipedalism are likely products of strong positive selection.
  • Other biological aspects, including host-pathogen interactions and dietary adaptations, have also undergone positive selection.

Purpose of the Study:

  • To review genes that have undergone positive selection during human and primate evolution.
  • To understand the biological processes and evolutionary forces specific to humans.

Main Methods:

  • Comparative genetics and genomics studies.
  • Analysis of gene lists identified through evolutionary studies.

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Main Results:

  • A growing list of genes potentially impacted by positive selection has been identified.
  • These genes provide insights into human-specific biology and evolutionary pathways.

Conclusions:

  • Positive selection is a major driver of human evolution, shaping both defining traits and other biological systems.
  • Studying selected genes is crucial for understanding human uniqueness and evolutionary history.