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The idea for this thread comes from an experience that I had recently. A friend of mine, who refuses to accept evolution, constantly presents me with challenges to the theory.
His most recent attack was the opposable thumb. He simply couldn't see how monkeys and apes have opposable thumbs while lemurs don't (not even really sure about this part, but it's none too relevant).
I was in the unusual position to give a demonstration of the evolution of odd digits...I have double-jointed fingers. I asked him how - if it is impossible for a member of a species to inherit an odd characteristic of the hand digits (such as opposable thumbs) - it is that I have inherited (from my father) the ability bend all of my fingers backward on the middle joint and to bend them forward on the top joint (along with the ability to "pop" out the base knuckle of my thumb).
And so I'm wondering, what odd characteristics has current evolution bestowed upon the members here at the PFs?
His most recent attack was the opposable thumb. He simply couldn't see how monkeys and apes have opposable thumbs while lemurs don't (not even really sure about this part, but it's none too relevant).
I was in the unusual position to give a demonstration of the evolution of odd digits...I have double-jointed fingers. I asked him how - if it is impossible for a member of a species to inherit an odd characteristic of the hand digits (such as opposable thumbs) - it is that I have inherited (from my father) the ability bend all of my fingers backward on the middle joint and to bend them forward on the top joint (along with the ability to "pop" out the base knuckle of my thumb).
And so I'm wondering, what odd characteristics has current evolution bestowed upon the members here at the PFs?