Its a hard problem. My understanding is the phylogenic trees isn't as an exact science as you would think. Its "NP hard" so they use heuristics to get a good e

Its a hard problem. My understanding is the phylogenic trees isn't as an exact science as you would think. Its "NP hard" so they use heuristics to get a good estimate. https://en.wikipedia.org/wiki/Phylogenetic_tree#Construction https://en.wikipedia.org/wiki/Phylogenetic_tree#Construction Its a hard problem. Its like using genetics as a road map to look back in time, but the previous species don't exist.