Chimps show a preference toward using their right hand — just like humans. The trait was once thought unique to humans due to asymmetries in our brains.
The study also found that female chimpanzees, like their human counterparts, are more likely to be right-handed than males. The researchers said this suggests “that just like in our species, there are shared biological factors, genetic and hormonal, that modulate the functioning of our brain.”
Full story at Discovery News.