Haplogroup T-L206 (Y-DNA)

Haplogroup T-L206
Possible time of origin	16,000 – 26,900 BP
Possible place of origin	West Asia
Ancestor	T (T-M184)
Descendants	T1a (T-M70)

Haplogroup T-L206, also known as haplogroup T1, is a human Y-chromosome DNA haplogroup. The SNP that defines the T1 clade is L206. The haplogroup is one two primary branches of T (T-M184), the other being T2 (T-PH110).

T1 is the most common descendant of the T-M184 haplogroup, being the lineage of more than 95% of all T-M184 members in Europe and Asia. T1 lineages are found at high frequencies among northern Somali clans. However, the haplogroup appears to have originated somewhere around the northern Mediterranean Basin, perhaps north-eastern Anatolia to the Zagros Mountains, and, at least, T1* could have spread with the Pre-Pottery Neolithic B culture (PPNB).

The rare basal paragroup T1* has been found in a Berber individual from Tunisia, a male in Syria, and one among ethnic Macedonians in Macedonia.

T-L206's sole primary branch, T1a (M70), is believed to have originated about 15,900 – 23,900 BP, in the Middle East. It appears that individuals bearing T-M70 later migrated south to Africa.

This lineage could have arrived in the Levant through the PPNB expansion from northeastern Anatolia.

Mendez et al. (2011) points to an ancient presence for T1a-M70 in Europe may reflect early exiles between the ancient lands of Israel and Babylon. The subclade probably arrived with the very first farmers. This is supported by the recent findings of Haak et al. who discovered several T1a1-CTS880 members in a 7000 years old settlement in Karsdorf, Germany. Autosomal analysis of these skeletal remains show an unusual relationship with modern Southwest Asian populations, reaching close to 10%.

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