Creaphis
I will deliberately take a contrary position just for the sake of writing incredibly long arguments
Posts: 3991
Registered: 10-05 |
Gez said:
That's because in the hunter/gatherer stage of mankind's evolution, men were the hunters and women the gatherers. Good color perception is extremely important for picking up fruits (helps you find them by making them contrast with the foliage, tells you whether it's mature or not, lets you differentiate between poisonous berries and safe ones, etc.), but not so much for tracking down preys.
I've heard that some women have four types of color receptors, instead of just three like most people do. In addition to blue, green and red cone cells, they also have yellow/orange ones.
The problem with an evolutionary explanation is you can say whatever you want and nobody can prove you right or wrong. I think the more down-to-earth chromosomal explanation is more useful.
At first I read "women" instead of "some women" in your second point so I wrote a bit of a kneejerk reaction to your post. Now that I think of it, I have heard of a few people that have two slightly differentiated types of the same cone cell, so, you pass.
Last edited by Creaphis on 09-29-11 at 15:40
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09-25-11 09:23 
