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I'm sorry for the confusion. I just thought when the human population was still small long ago, when there wasn't even a concept of 'incest', inbreeding between

by tomkwok 12y ago

I'm sorry for the confusion. I just thought when the human population was still small long ago, when there wasn't even a concept of 'incest', inbreeding between ancestors was more common and expected. So we all descended from incestors in today's context. Is that right?

jacobolus 12y ago
Yep. If you go back 10–20 generations in anyone’s family tree, you’ll find we’re all the product of sexual relationships between first cousins, siblings, parents and their children, etc.