Problemi was watching a lecture by richard dawkins earlier, Ask an Expert

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I was watching a lecture by Richard Dawkins earlier today and he mentioned that "Your 185th million grandfather was a fish." I started wondering about the following question,

Question: Is it true that my 185th million grandfather is the same as your 185th million grandfather?

Now, I fully recognize that there are more generations in my family tree than in yours or vice-versa so the 185 million may not match up exactly.

Question: Do Humans share a common ancestor substantially after the origin of life?

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Biology, Academics

Category:- Biology
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