[ExI] Armchair Evolutionary Psychology: Larks vs Night Owls

[Kaj Sotala]

On 3/15/08, Kaj Sotala <xuenay at gmail.com> wrote:
> On 3/15/08, Emlyn <emlynoregan at gmail.com> wrote:
>  > I agree, regarding not everything having an evolutionary explanation.
>  >  In this case though, there are genes explicitly controlling the
>  >  behaviour, which does want such an explanation.
>
> Genetic drift?

Also - eye color, hair color, and blood type are explictly controlled
by genes. With the possible exception of blood type (not entirely sure
about that one), I don't think differences in any of them have any
particular evolutionary reason.



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