Malcolm McMahon cuhes at
Thu Jun 2 04:40:19 EST 1994

In article <jaboweryCqLzAL.9x at>,
	jabowery at (Jim Bowery) writes:
>abubu at (ABUBU) writes:
>The basic answer is that the "unit of selection" is not the 
>individual, but the "gene".  Genes are already "immortal" so
>there is no inherent selective advantage for increasing the longevity 
>of the bodies carrying them.

But why wouldn't an older, more experienced animal be a better parent?
In wild animals, who generally die of unnatural causes, the effect
would be marginal but even a marginal postive is selected for by
evolution if there isn't a delitorious side-effect.


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