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All sex differences in cognitive ability may be explained by an X-Y homologous gene determining degrees of cerebral asymmetry
Published online by Cambridge University Press: 04 February 2010
Abstract
Male superiority in mathematical ability (along with female superiority in verbal fluency) may reflect the operation of an X-Y homologous gene (the right-shift-factor) influencing the relative rates of development of the cerebral hemispheres. Alleles at the locus on the Y chromosome will be selected at a later mean age than alleles on the X, and only by females.
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- Copyright © Cambridge University Press 1996
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