[Swordmaker]

there are dan haplotypes that identify regions of the world that have been used to map human migrations. there has also been a lot of dan studies of groups claiming Jewish ancestory (Lembas, Ashkenzi, etc), so identifying specific jewish related markers is possible. The key is whether or not enough dan survived to enable the identification of the haplotype (effects from exposure to fires, air, etc).

Thank you Godzilla. That was the point I was making. Firstly, that there is no specific DNA strands that say this person was a person of Jewish descent. . . but perhaps of middle eastern, semitic descent which is a much broader stroke of the DNA brush. Secondly, that any DNA in the blood on the Shroud is too old, too degraded with that age, too broken, and too contaminated to be dispositive of any testing for haplotyping.

At this point the fact that the blood is, or may be, AB negative is about as dispositive as we're are likely to get until some more definitive method of testing the broken DNA strands is developed.

[Godzilla]

Firstly, that there is no specific DNA strands that say this person was a person of Jewish descent. . . but perhaps of middle eastern, semitic descent which is a much broader stroke of the DNA brush.

I'm not aware of any more detailed studies beyond blood type. However, even the broad brushed data would prove valuable in showing that it is unlikely to be a forgery. If the blood is middle eastern/semitic - then the European forgery theories fall apart, imho.