Why are some people left-handed? An evolutionary perspective.

  title={Why are some people left-handed? An evolutionary perspective.},
  author={Violaine Llaurens and M{\'e}lanie Raymond and Charlotte Faurie},
  journal={Philosophical transactions of the Royal Society of London. Series B, Biological sciences},
  volume={364 1519},
Since prehistoric times, left-handed individuals have been ubiquitous in human populations, exhibiting geographical frequency variations. Evolutionary explanations have been proposed for the persistence of the handedness polymorphism. Left-handedness could be favoured by negative frequency-dependent selection. Data have suggested that left-handedness, as… CONTINUE READING