SvennoJ on 14 February 2016
Humans didn't evolve from chimps, yet we do have a common ancestor and share 99% of dna with chimps.
We even share 70% of DNA with this
But sure the seeds of life could have come from another planet. Perhaps we're all evolved from Martian bacteria, or from proto dna from a different solar system. Yet humans are very much part of Earths tree of life.
