Wednesday, September 28, 2016

If genetic mutation is such a powerful force in how we evolve, why are we naturally disgusted/scared of mutations when we see them?

We are disgusted by disfiguring mutations. Not all mutations are disfiguring. Some mutations, we find quite attractive. Like blue eyes, for example; that was a mutation.

An infant born with two heads is unlikely to survive. An infant born with blue eyes, is. Our sense of disgust appears to have arisen as a protective response to warning signs of disease or other signs of unfitness.



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from Quora http://ift.tt/2dztmSq

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