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  • Title: In defence of the right shift theory.
    Author: Annett M.
    Journal: Percept Mot Skills; 1996 Feb; 82(1):115-37. PubMed ID: 8668466.
    Abstract:
    The right shift (RS) theory of a gene for left-cerebral dominance which increases the probability of right-handedness is outlined, together with two proposed alternatives, the 1985a genetic theory of McManus and the 1993 developmental instability theory of Yeo and Gangestad. Similarities and differences among the three theories are reviewed. Both of the genetic theories can predict the distribution of handedness in families and in twins more efficiently than the developmental instability theory, and the RS theory better than the McManus theory.
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