R2 Frequency

Molecular Insight into the Genesis of Ranked Caste Populations of
Western India Based Upon Polymorphisms Across Non-Recombinant
and Recombinant Regions in Genome
Sonali Gaikwad and VK Kashyap, 2005,Genome Biology.

R2 Incidence in Western India:
Dhangar 29.4%
Chitpavan Brahmin 10.6%
Desasth Brahmin 10.5%
Maratha 5.3%

Mitochondrial DNA and Y-Chromosome Variation in the Caucasus
I. Nasidze, 2004, Annals of Human Genetics

R2 Frequency:
Chechenia - 16%
Azerbaijan -   3%
Armenia -   2%
Iran:
     Esphahan -   2%
     Teheran -   1%

The Genetic Heritage of the Earliest Settlers Persists Both in Indian
Tribal and Caste Populations
T. Kivisild et al, 2003,  The American Society of Human Genetics.
R2 Haplogroup in India Compared with Western Eurasia
Population (n), Frequency (95% cr for proportion)

India:
     West Bengal (31) 23%, Present study
     Punjab (66) 5%, Present study
     Tamil Nadu (259) 7%, Wells et al. 2001
     AP tribes (82) 4%, Present study
Sinhalese (39) 38%, Present Study
Tadjikistan (168) 6%, Wells et al. 2001
Uzbeks (366) 2%, Wells et al. 2001
Kyrgyzstan (92) 2%, Wells et al. 2001
Kazakstan (95) 1%, Wells et al. 2001
Iran (52) 2%, Wells et al. 2001

The Eurasian Heartland: A Continental Perspective on Y-chromosome Diversity
R. Spencer Wells, 2001, The National Academy of Sciences of the USA

R2 Frequency:
India (South):
     Yadhava -   9%
     Kallar -   5%
     Sourashtran -   4%

Iran (Esphahan)  -   6%
Kazakhstan (Kazak) -   2%
Kyrgyzstan (Dungan) -   5%

Tajikistan:
     Bartangi - 17%
     Khoiant -   9%
     Ishkashimi -   8%
     Dushanbe -   6%
     Turkmenistan -   3%
     Khurezm -   1%
     Surkhandarya -   1%

Uzbekistan:
     Sinte Romany - 53%
     Samarkand -   8%
     Karakalpak -   7%
     Fergana Valley -   5%
     Bukhara -   2%
     Tashkent -   2%