Perplexed in Peoria wrote:
> "Anon."  wrote
in message news:cetl72$lrj$1{at}darwin.ediacara.org...
> 
>>What's the genetic model?  As it was apparently not a simple one, I
>>decided that the frequencies could be explained by *some* genetic model.
> 
> 
> Whoops.  In my other response to this post, I claimed that a
> particular formula works for diploid genetics.  I now see that it
> doesn't.  You are probably right and I am probably wrong.  A ratio
> of 40 : 120 : 240 for pairs HB-HB : HN-NB : NN-NN maybe CAN be
> explained by *some* genetic model.
> 
> I've go to learn to stop trusting my intuition when it comes to
> genetics :-(
> 
> However, I think that my point is still true that Hamilton's rule
> only holds when the heritible traits of the beneficiary are not
> involved in determining whether altruism is expressed in the donor.
> 
I too think that's true, but I haven't looked at it properly.

Actually, in one sense Hamilton's rule will hold, you just have to apply 
it to both actors.  The resulting model then looks much more complicated 
(and only bits of it like Hamilton's rule), of course.

Bob

-- 
Bob O'Hara

Dept. of Mathematics and Statistics
P.O. Box 68 (Gustaf H„llstr”min katu 2b)
FIN-00014 University of Helsinki
Finland

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