Quote:
Originally Posted by CCIP
To be honest, I always saw this as something that developed primarily out of the economics of marriage and dowry. Societies where these institutions didn't/don't exist don't seem to have the same prohibitions on incest, which does point to something going on beyond just biology. At the same time, no human or animal population is known to have been 'killed off' by incest alone, while many have survived in part because of it. Usually the loss of genetic diversity has other antecedents.
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Hmm, Social Pressures (dowrys, marriage, etc) isn't something that I'd considered before
Thanks for opening my eyes to this
Also no human/animal population is known to have been killed off solely by incest, but where does a species cross the line of committing incest to preserve itself and hamstringing itself genetically for generations to come?
Edit: Rather, where does society and science draw the line?