Yulia Kovas|Nicole Harlaar|Stephen A. Petrill|Robert Plomin
‘Generalist genes’ and mathematics in 7-year-old twins
Psychiatry Research Trust
mathematics performance 7 years assessed teachers using uk national curriculum criteria found highly heritable almost 3000 pairs 7yearold samesex twins used multivariate genetic analysis investigate extent genetic effects mathematics performance overlap genetic effects reading general intelligence g predicted generalist genes hypothesis found substantial genetic overlap mathematics reading genetic correlation074 mathematics g 067 findings support generalist genes hypothesis genes contribute individual differences mathematics genes affect reading g nonetheless genetic correlations less unity third genetic variance mathematics independent reading g suggesting also genes whose effects specific mathematics