In 2022, we reported the DNA sequences of 33 medieval people buried in a Jewish cemetery in Germany. Not long after we made the data publicly available, people started comparing their own DNA with ...

Each thin vertical bar represents one letter in the DNA sequence and is color-coded based on whether it is a match. A shared DNA fragment appears between living person 1 and the medieval person.

At the same time, across the pond, Jeffreys used STR markers in tandem with PCR, while Gill and his colleagues further refined this process to detect multiple loci. 8,9 While RFLP and PCR used slab ...