genetic control of inter-neuron signals

[Doktor DynaSoar]

On Tue, 06 Apr 2004 12:39:31 GMT, "Glen M. Sizemore"
<gmsizemore2 at yahoo.com> wrote:

} If the primary reason(s) for avoiding sex with siblings was due directly to
} natural selection, it would seem unnecessary to have the powerful cultural
} taboos.

I can think of no reason why a culture taboo must be necessary. Many
are not. I can conceive of how some can evolve as rationalizations for
underlying drives.

} "Doktor DynaSoar" <targeting at OMCL.mil> wrote in message
} news:v91370d8vr96i86nguejbnvq6comt50qaj at 4ax.com...
} > On 1 Apr 2004 11:32:27 -0800, QXUXBTVOTSAO at spammotel.com (Sandy
} > Hodges) wrote:
} >
} > } Few people desire sex with a sibling.
} >
} > It's more correct to say that few people will admit to desiring sex
} > with a sibling. The data from a penile plethysmograph might say
} > otherwise.
} >
} > I suspect that lack of a prevalence of sibling mating is probably due
} > more to pheromones. These reflect the immune system. People tend to be
} > more attracted by pheromones from someone with a different set of
} > immunities than people with a similar set of immunities. Sibling would
} > obviously have very similar immunities.
} >
}