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I think that the boundary case is that we at least have a common ancestral single cellular life-form. To my mathematically inclined approach, anything else (suc

I think that the boundary case is that we at least have a common ancestral single cellular life-form. To my mathematically inclined approach, anything else (such as a the earliest common ancestor being close-to-human, or whether there needs to be a male or female one) is not a logical debate, but rather a biological investigation.

draugadrotten 8y ago
> I think that the boundary case is that we at least have a common ancestral single cellular life-form. It is possible to imagine several different single cells being our ancestore. If we pretend a lightning strike in the ancestor primordial DNA soup sparked life, then it could have sparked life in millions of cells with a single lightning bolt. There could even have been several different puddles of DNA soup.