Quote:
Originally Posted by Krauter
What argument would you use/support then to explain the taboo on incest?
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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.