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You're right that evolution is largely a gradual progression, but we don't have the luxury of having that gradual progression in the fossil record. We'll have a fossil from, for example, 350 KYA and another from 190 KYA. The older one is clearly not modern human and the more recent one is. So the age of modern humans is set at approximately 200 KYA, ...


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Your graphic is omitting nodes of the tree, branching points, which are essential for trees and phylogeny. When you read the data file, you should count the brackets ((( ))) because they signify where the tree has nodes, common ancestors. You should generate simple phylogeny trees, prior to doing complex data mining for similarity. The names are in latin? ...


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