DNA extraction. Geneticist removing tissue from a tooth thought to belong to the Italian explorer Christopher Columbus. The DNA (deoxyribonucleic acid) in the sample will be compared with DNA known to be from an illegitimate son, Hernando, and some thought to be from Columbus' son, Diego. The study hopes to determine whether remains in Seville, Spain, or in Santo Domingo, Dominican Republic, are those of Columbus. Columbus died in 1506 in Valladolid, Spain. He was first buried there before being moved in 1537 to Santo Domingo. In 1795 his remains were moved to Cuba, before finally moving to Seville in 1898. It is possible the wrong remains were taken to Cuba. Degradation and contamination of the DNA has hampered the analysis.
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