Scientists Unlock Secrets of Ancient Human DNA

Here’s Why They Couldn’t Study The Three-Year-Old

Old bones are not guaranteed to contain living cells. If scientists want to investigate DNA, they need a bone that is thick enough and well kept. Researchers usually test the petrous bone, which is located at the base of the skull. Because the three-year-old’s bones were too destroyed, researchers were unable to examine the DNA. However, with the two infants, they could.

Here’s Why They Couldn’t Study The Three Year Old