Reports

Human handedness: a partial cross-fostering study

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Science  28 May 1976:
Vol. 192, Issue 4242, pp. 908-910
DOI: 10.1126/science.1273577

Abstract

The hand preference of college students correlated significantly with the writing hand of their biological parents but not that of their stepparents. The results are consistent with a genetic theory of the origin of human handedness.