Ancestors
It doesn’t quite work as it is depicted in this video. As we move back in time, we find that we have ancestors that occupy more than one position in our family tree. This is because we have ancestors who share common ancestors. Our number of ancestors does not just continue to double with each previous generation. The numbers would become too astronomically high. We do, of course, have lots of ancestors. There is just not a doubling of ancestors with each generation as we move backwards.
https://www.instagram.com/p/DAHFMW7SFi7/?igsh=cXIxZG01aTRzc3R6
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