Neandertal Genetic material found in mitochondria, the organelles that generate energy for the cell.mtDNA Summary

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The scientific data show that Neandertals have no genetic connection to modern humans. Although it is remotely possible that Neandertal males could have contributed to the genetic information of modern humans, it seems unlikely due to the lack of clear hybrids in the fossil record and the lack of Neandertal features in modern humans. The limited genetic diversity of Neandertal remains suggest that these creatures did not breed with other hominids (including modern man), but went extinct, leaving no descendants.