Talk:Shroud of Turin
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Blood group
It has been claimed that the blood is AB group, but that would actually debunk the claim that the blood is Ancient. Since AB group appeared in the Middle Ages or Early Modern period. tgeorgescu (talk) 05:00, 21 September 2025 (UTC)
- @Tgeorgescu Have they tested its DNA to see if the blood originates from someone Jewish, or to determine the ethnicity of the blood donor of the Shroud? Stevenmitchell (talk) 14:32, 5 October 2025 (UTC)
- No. Part of the problem is that researchers can only work with a very small number of very tiny samples, becuase no one wants to damage the artifact. Also, blood degrades over time. It's not likely that one could get viable DNA from a sample that is seven or eight hundred years old, much less two thousand. It is also not trivial to determine blood type on a sample that old, which is why the "type AB" result is disputed. The chemical markers that determine blood type degrade over time.
- Another problem is contamination. There have been DNA studies done on the Shroud. They found DNA from many different people because over the centuries many people have touched or handled the shroud. There is no way to determine which if any of those DNA samples might have come from the time of the shroud's creation.--Srleffler (talk) 16:33, 5 October 2025 (UTC)