The most widely accepted version of the origin of humanity claims that we all come from a single ancestry: an ancestral population that inhabited Africa. However, a recent study appears to contradict this hypothesis.
The study was carried out at the request of the North American magazine specializing in Science, Nature. The research was carried out in partnership between American and Canadian scientists, and the results reveal that perhaps things are not exactly like that.
The study of Nature
The research involved an innovative computer model and the analysis of genetic data from hundreds of populations. Based on the analysis of the information obtained, the team was able to trace a possible alternative origin for humanity.
Contrary to what is currently believed, that we descend from a single population that inhabited the African continent, the new theory suggests that we actually descend from several groups spread across Africa.
Research leader and anthropologist Brenna Henn, a professor at the University of California, believes that, more specifically, we descend from two large, distinct populations that coexisted in the territory.

In an interview with BBC News WorldBrenna stated that although we do not know where they lived exactly, it is possible to notice small genetic differences between the groups, which suggests that they lived sufficiently separated from each other.
The problem with the current theory
Although widely disseminated and accepted today, the theory we have has inconsistencies. The only certainty we have so far is that, yes, our oldest ancestors came from Africa.
This is because there is evidence from a fossil that proves this claim. The oldest human fossil known to exist was found on the African continent. However, the lack of evidence, like other fossils, makes it impossible to date it accurately.
Furthermore, the fact that the existing fossils are scattered makes everything more difficult. Since, if there were a single, shared origin, they should all be found in nearby regions, at least those with the same age.
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