I think incest is highly exaggerated. It is true that too much incest will cause more genetic diseases but if we take the most famous example of the Habsburgs then you see that only after repeated cases of incest it becomes a problem.
For example In 1946 the Argentinian government imported fifty beavers from Canada. According to a June 2011 NPR report, 200,000 beavers are living in the area. That are 200.000 beaver from the same starting 50.
If incest was as big a deal as it is always made out to be these beavers would have gone extinct from all the diseases not flourish as they did.
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I think incest is highly exaggerated. It is true that too much incest will cause more genetic diseases but if we take the most famous example of the Habsburgs then you see that only after repeated cases of incest it becomes a problem.
For example In 1946 the Argentinian government imported fifty beavers from Canada. According to a June 2011 NPR report, 200,000 beavers are living in the area. That are 200.000 beaver from the same starting 50.
If incest was as big a deal as it is always made out to be these beavers would have gone extinct from all the diseases not flourish as they did.