If You have 2 parents, 4 grandparents, 8 great parents, so if you go back 40 generations you’d have a supposed 1 Trillion ancestors, But only 100B humans have ever existed. Explain.
In: Biology
I would have assumed that no matter how many generations we go back, they would all be deceased. That being said, I understand the 100B number, but I could never understand how that has been proven and have always been skeptical. I still assume that whatever realistic number makes sense is what I believe.
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