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Old 03-14-2016, 11:41 AM
Broomstick Broomstick is online now
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Join Date: Mar 2001
Location: NW Indiana
Posts: 26,018
Originally Posted by Try2B Comprehensive View Post
Ultimately I bet it comes down to molecular chirality. Somehow.
Well, then you'd have to explain why most parrots are lefties (really, they are).

Apparently having a dominant hand is advantageous in some manner, and it may be that which side was normally dominant was a matter of chance in a distant ancestor, and that handedness has been passed down to us.