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A Hungarian twin study on hand clasping, arm folding and tongue curling
Acta Biologica Hungarica
|January 1, 1983
Abstract:
A twin study was performed in adult Hungarian monozygotic and dizygotic pairs for hand clasping, arm folding and tongue curling. Genetic background of these traits could not be confirmed, although there appears to be a positive correlation between hand clasping type and handedness.