As a species we are predominantly right handed; and if we aren’t right handed we are left handed.
This is a trait we gained when we started walking upright…the same behavior has been seen in chimpanzees; when walking on all 4 limbs no preference is observed; when using 2 legs a hand preference is seen
Why right handed…..the left side of the brain controls the right side of the body. Left side brain development occours earlier and faster
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