About hg. I2c


Posts: 2331
Joined: Sun Mar 18, 2012 7:08 am
Location: Pisa (Italy)
YDNA:
R- Z2110 (KV7Y2)
MtDNA:
K1a1b1e/HQ176413
PostPosted: Fri Apr 25, 2014 9:19 am
About hg. I2c we find in Eupedia:

"Haplogroup I2c
I2c (L596, L597) probably originated around the Rhine region during the Mesolithic period. I2c* can be divided in four groups: A, AB, B and C.
Group A is geographically limited to Switzerland, Germany, the Netherlands, Sweden, Poland, Britain and Ireland.
Group AB has been found in north-west Iran, around the Caucasus (Armenia and Georgia), in Turkey and in France.
Group B is found at low frequencies in West Asia (Turkey, Georgia, North Ossetia, Armenia, Azerbaijian and north-west Iran), in Southeast Europe (Moldova, Romania, Bulgaria, Albania, Crete), in Balto-Slavic countries (Russia, Ukraine, Belarus, Lithuania, Poland, Slovakia, Czech Republic), as well as in Germany, Austria, Italy, Spain and Britain.
Group C has a similar distribution to group A but has also been found in France, Italy and Norway.
Groups A and C seem to have expanded respectively during the Celtic Bronze and Iron ages, alongside R1b-S116/P312.
Additionally, the subclade I2c1 (L1251) has recently been identified. It is found mostly in Germany and England and in their periphery (Ireland, Norway, France, Italy, Poland). This subclade is thought to be approximately 6000 years old, which places it in the Late Neolithic period. It may be associated with hunter-gatherers from Germany who adopted agriculture after coming into contact with Near-Eastern farmers from the Linear Pottery (LBK) culture".

I2b (ADR) - L415 L416, L417 seems above all Italian. Named Adriatic, it is believable come from the Italian Adriatic Refugium.

I2c is divided in many subclades, found above all around the Black Sea, but with samples from Italy. Amongst them a sample from a town very close to mine and a surname I know from my infancy: Sacchini:
66030 Gisberto Sacchini, Peccioli, Italy Italy I2
14 24 16 10 12-13 11 13 11 13 11 30 17 8-8 11 11 24 15 20 33 11-15-16-16 11 10 19-21 15 13 18 16 34-37 11 10 12 8 16-16 8 11 10 8 10 9 12 21-21 16 11 12 13 14 8 13 24 20 13 13 11 13 11 12 12 11
Also here we have a Jewish cluster, practically an unique haplotype recently introgressd in the Jewish pool:
I2c B (J) 14-24 L596 L597
N88101 Emanuel Plescow, 1860 - 1939 Romania I2
14 24 15 10 12-13 11 13 11 12 11 29 19 8-8 11 11 24 15 20 32 11-15-15-16 11 10 19-21 15 13 17 18 34-39 13 11 12 8 16-16 8 12 10 8 10 9 12 21-21 16 12 12 13 14 8 13 25 20 12 13 11 13 11 12 12 11 30 14 8 16 11 24 27 19 13 11 11 12 12 9 12 11 10 11 12 31 11 12 21 14 11 9 27 15 22 10 23 17 11 15 27 12 21 18 12 14 19 9 12 11
with the very fast mutating marker DYS712 from 24 to 31 values.
Two question: which is the origin of this haplogroup and where the Jewish cluster was introgressed from?

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