| Revision as of 02:48, 28 February 2006 editSaforrest (talk | contribs)Autopatrolled, Extended confirmed users, Pending changes reviewers17,508 editsm →Relationship to other haplogroups← Previous edit | Revision as of 02:48, 28 February 2006 edit undoSaforrest (talk | contribs)Autopatrolled, Extended confirmed users, Pending changes reviewers17,508 edits move Origins section upNext edit → | ||
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| It is common in ], Northern ] and ]. In Europe the highest frequencies are in ]. Today it is found at over 40% frequencies in many ] countries, with some notable exceptions (60% Poland). Relatively high frequencies are also found in ] and is believed to have been spread across Europe by the ], which accounts for the existence of it in among other places the ]. It is however fairly common across all of Europe. In ] haplogroup R1a1 is found in both the Hindu ] and ] populations, and it is most diverse in tribal, rather than caste populations, therefore researchers have concluded that it is not necessarily a signature of Central Asian origin . | It is common in ], Northern ] and ]. In Europe the highest frequencies are in ]. Today it is found at over 40% frequencies in many ] countries, with some notable exceptions (60% Poland). Relatively high frequencies are also found in ] and is believed to have been spread across Europe by the ], which accounts for the existence of it in among other places the ]. It is however fairly common across all of Europe. In ] haplogroup R1a1 is found in both the Hindu ] and ] populations, and it is most diverse in tribal, rather than caste populations, therefore researchers have concluded that it is not necessarily a signature of Central Asian origin . | ||
| ⚫ | ==Origins== | ||
| ⚫ | The first carriers of the R1a1 haplotype are believed to have been nomadic farmers in the steppes of northern Central Asia about 10,000 years ago. Current theories point to them being the first speakers of the proto-Indo-European languages (the ] culture) and the first ones to domesticate the ]. | ||
| == Relationship to other haplogroups == | == Relationship to other haplogroups == | ||
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| ***] (M343) | ***] (M343) | ||
| **] (M124) | **] (M124) | ||
| ⚫ | ==Origins== | ||
| ⚫ | The first carriers of the R1a1 haplotype are believed to have been nomadic farmers in the steppes of northern Central Asia about 10,000 years ago. Current theories point to them being the first speakers of the proto-Indo-European languages (the ] culture) and the first ones to domesticate the ]. | ||
| ==See also== | ==See also== | ||
Revision as of 02:48, 28 February 2006
In human genetics, Haplogroup R1a1 (M17) is a Y-chromosome haplogroup, that is spread across Eurasia.
It is common in Europe, Northern Central Asia and India. In Europe the highest frequencies are in Eastern Europe. Today it is found at over 40% frequencies in many Slavic countries, with some notable exceptions (60% Poland). Relatively high frequencies are also found in Northern Europe and is believed to have been spread across Europe by the Vikings, which accounts for the existence of it in among other places the British Isles. It is however fairly common across all of Europe. In India haplogroup R1a1 is found in both the Hindu castes and tribal populations, and it is most diverse in tribal, rather than caste populations, therefore researchers have concluded that it is not necessarily a signature of Central Asian origin .
Origins
The first carriers of the R1a1 haplotype are believed to have been nomadic farmers in the steppes of northern Central Asia about 10,000 years ago. Current theories point to them being the first speakers of the proto-Indo-European languages (the Kurgan culture) and the first ones to domesticate the horse.
Relationship to other haplogroups
R1a1 is part of Haplogroup R (M207).
It is related to Haplogroup R1b (M343) which is dominant in Western Europe, and more distantly related to Haplogroup R2 (M124).
- Haplogroup R (M207)
- Haplogroup R1 (M173)
- Haplogroup R1a
- Haplogroup R1a1 (M17)
- Haplogroup R1a*
- Haplogroup R1b (M343)
- Haplogroup R1a
- Haplogroup R2 (M124)
- Haplogroup R1 (M173)
See also
References
- Luigi Luca Cavalli-Sforza (1994). The History and Geography of Human Genes. Princeton University Press. ISBN 0691087504
- Semino et al (2000), The Genetic Legacy of Paleolithic Homo sapiens sapiens in Extant Europeans, Science, Vol 290
- Wells et al (2001), The Eurasian Heartland: A continental perspective on Y-chromosome diversity, PNAS, Vol 98
- Sanghamitra Sengupta et al. (2006), Polarity and Temporality of High-Resolution Y-Chromosome Distributions in India Identify Both Indigenous and Exogenous Expansions and Reveal Minor Genetic Influence of Central Asian Pastoralists, American Journal of Human Genetics, 78:202-221
External links
- Spread of R1a1, from the Genographic Project, National Geographic