http://en.wikipedia.org/wiki/Chin
With the advent of more advanced computational facilities, finite element analyses have been used to support hypotheses involving mechanical stress.On the other hand increased availability of data regarding sexual dimorphism in chins has also lent support to the sexual selection hypothesis as sexual dimorphism is more difficult to explain under other regimes.It is possible that multiple causal factors have played a role in the evolution of this bony protuberance.
With the advent of more advanced computational facilities, finite element analyses have been used to support hypotheses involving mechanical stress.On the other hand increased availability of data regarding sexual dimorphism in chins has also lent support to the sexual selection hypothesis as sexual dimorphism is more difficult to explain under other regimes.It is possible that multiple causal factors have played a role in the evolution of this bony protuberance.
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