Why don't I have two left feet?
November 28, 2012 4:50 PM Subscribe
Why don't I have two left feet? or two left hands for that matter?
I can see why the basic body plan makes sense, having legs and arms distributed as we have, but why exactly are the limbs mirror images of each other, instead of being exactly the same limb just repeated?
What is the evolutionary logic behind having right and
posted by selenized to Science & Nature (12 answers total) 4 users marked this as a favorite
I see that there are previous questions that ask why bilateral symmetry versus some other symmetry (like radial symmetry) but I am wondering more specifically why that body plan is mirror symmetric, and where that would come from.