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- 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 of two primary branches of T (T-M184), the other subclade 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 Africa and Eurasia (as well as countries to which those populations have migrated in the modern era, in the Americas and Australasia). T1 lineages are now found at high frequencies among northern Somali clans. It is hypothesized that T1* (if not some of its subclades) originated in the Middle East and spread into Europe and North Africa with the Pre-Pottery Neolithic B culture (PPNB). The basal clade T1* is rare, but has been found in at least three males from widely separated regions: a Berber from Tunisia, a Syrian, and a Macedonian. T-L206's sole primary branch, T1a (M70), is believed to have originated about 15,900 – 23,900 BP, in the Levant. It appears that individuals bearing T-M70 later migrated south to Africa. (en)
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- 80938 (xsd:nonNegativeInteger)
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- J. R. Luis et al. 2004 (en)
- Misericòrdia Ramon Juanpere et al. (en)
- Turi E. King et al. (en)
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- (M70 is believed to have originated in Asia after the emergence of the K-M9 polymorphism . As deduced from the collective data , K2-M70 individuals, at some later point, proceeded south to Africa. While these chromosomes are seen in relatively high frequencies in Egypt, Oman, Tanzania, Ethiopia, they are especially prominent in the Fulbe 18% ) (en)
- Phylogenetic network analysis of its Y-STR haplotype shows that it is most closely related to an Egyptian K2 [now T/K1a] haplotype, but the presence of scattered and diverse European haplotypes within the network is nonetheless consistent with Jefferson's patrilineage belonging to an ancient and rare indigenous European type. This is supported by the observation that two of 85 unrelated British men sharing the surname Jefferson also share the President's Y-STR haplotype within haplogroup K2. (en)
- The population of the Pityusic Islands does present a clear genetic divergence in relation to the Mallorcan and Menorcan populations. Neither [does it show] a confluence with the Catalan and Valencian populations ...
[T]he data provided by the Pityusic population [compared] with other circumediterranean populations surprises [in] that practically there is no convergence with any of these populations, not even with ... North African populations. The Pityusic case is paradigmatic: ... some markers shows affinities with [Middle Eastern] ... mtDNA variables ... but [the Pityusic population] diverges from these populations when considering other markers. [It] is a separate case, a island, not [just] in the geographical sense but [also a] genetical [island]. (en)
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- Thomas Jefferson (en)
- Branching of T-M184 (en)
- Initial research on T1a-M70 (en)
- Three genetically different populations in the Balearic Islands, Catalonia, Spain (en)
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- 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 of two primary branches of T (T-M184), the other subclade being T2 (T-PH110). The basal clade T1* is rare, but has been found in at least three males from widely separated regions: a Berber from Tunisia, a Syrian, and a Macedonian. T-L206's sole primary branch, T1a (M70), is believed to have originated about 15,900 – 23,900 BP, in the Levant. It appears that individuals bearing T-M70 later migrated south to Africa. (en)
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- Haplogroup T-L206 (Y-DNA) (en)
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