In the late 1990s, Mark Stoneking, a molecular anthropologist at the Pennsylvania State University, and his colleagues sought to finally put the century-long rumors to rest. They set out to analyze genetic material from the body buried in the grave marked as James’s. Specifically, they looked at DNA present in the bean-shaped powerhouses of the cell, the mitochondria.　https://www.the-scientist.com/mitochondrial-dna-a-maternal-legacy-that-helps-trace-the-past-and-diagnose-the-future-72983