The ability to perform manual skills equally well with either hand because there is no definite handedness. Ambidexterity is an uncommon and often familial trait.
n. the preferential use of one hand, rather than the other, in voluntary actions. Ambidexterity – the ability to use either hand with equal skill – is very rare. Over 95% of right-handed people and 50–70% of left-handed people have left-hemisphere dominance for language.... handedness
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