Sushmita, as you stated before, the dice are loaded against Indians; unbelievably, there is actually a reference to Witzel in the text of Sengupta's (Underhill, Cavalii-Sforza) Polarity and Temporality paper.
<!--QuoteBegin-->QUOTE<!--QuoteEBegin-->On the basis of linguistic and religious evidence, if pastoralists arrived recently on a track from the north via Bactria, southern Tajikistan, northern Afghanistan,
and the Hindu Kush into the northern Pakistan plains (Witzel 2004), one would expect to see L3-M357 in India.<!--QuoteEnd--><!--QuoteEEnd-->
The authors then, of course, gently conclude the obvious that there are no expected Central asian markers within India.
<!--QuoteBegin-->QUOTE<!--QuoteEBegin-->The distribution of R1a1 and R2 within India is similar, as are the levels of associated microsatellite variance (table 12). The ages of the Y-microsatellite variation (table 11) for R1a1 and R2 in India suggest that the prehistoric context of these HGs will likely be complex. A principal-components plot of R1a1-M17 Y-microsatellite data (fig. 6) shows several interesting features: (a) one tight population cluster comprising southern Pakistan, Turkey, Greece, <b>Oman</b>, and West Europe; (b) one loose cluster comprising all the Indian tribal and caste populations, with the tribal populations occupying an edge of this cluster; and © Central Asia and Turkey occupy intermediate positions. The divergence time between the two clusters was <b>8â12 KYA.</b> <b>The pattern of clustering does not support the model that the primary source of the R1a1-M17 chromosomes in India was Central Asia <i>or the Indus Valley</i>[COLOR=blue] </b> via Indo-European speakers. <!--QuoteEnd--><!--QuoteEEnd-->
So now we have the Indus valley invading India scenario!!!
<!--QuoteBegin-->QUOTE<!--QuoteEBegin-->Further, the relative position of the Indian tribals (fig. 6), the high microsatellite variance among them (table 12), the estimated age <b>(14 KYA) </b>of microsatellite variation within R1a1 (table 11), and the variance peak in western Eurasia (fig. 4) are entirely inconsistent with a model of recent gene flow from castes to tribes and a large genetic impact of the Indo-Europeans on the autochthonous gene pool of India. Instead, our overall inference is that an early Holocene expansion in northwestern India (including the Indus Valley) contributed R1a1-M17 chromosomes both to the Central Asian and South Asian tribes prior to the arrival of the Indo-Europeans. The results of our more comprehensive study of Y-chromosome diversity are in agreement with the caveat of Quintana-Murci et al. (2001, p. 541), that â<b>more complex explanations are possible,â</b> rather than their simplistic conclusion that HGs J and R1a1 reflect demic expansions of southwestern Asian Dravidian-speaking farmers and Central Asian Indo-Europeanâspeaking pastorialists.<!--QuoteEnd--><!--QuoteEEnd-->
So here we have, in a world class genetic paper, the famous Witzelian "caveat" that a "complex scenario" is possible when the actual evidence goes against the perceived prejudices. Same thing was pointed out by Manansala in another paper. R1A1 is formly rooted in India with respect to both diversity and frequency and besides its parent haplo K (Krishna as termed by Oppenheimer) certainly did diversify in India. We also have haplo I and others starkly missing from India- these probably expanded from the gulf and were leftovers from the initial coastal route. btw, R1a1 presence in Oman is very telling since India is known to have extended trade relations with oman since most ancient times.
Interestingly, Sengupta does give us dates of <b>8 to 12 KYA </b>for R1a1 division
btw, Sengupta appears to be part of the Bengali (ie communist) team operating out of CAlcutta which came out with a bamshad-type paper.
<!--QuoteBegin-->QUOTE<!--QuoteEBegin-->http://www.pubmedcentral.nih.gov/articlere...gi?artid=403703
Ethnic India: A Genomic View, With Special Reference to Peopling and Structure
Analabha <b>Basu</b>, Namita <b>Mukherjee</b>, Sangita <b>Roy</b>, Sanghamitra Sengupta, Sanat <b>Banerjee</b>, Madan <b>Chakraborty</b>, Badal Dey,1 Monami <b>Roy</b>,1 Bidyut <b>Roy</b>,1 Nitai P. <b>Bhattacharyya</b>,3 Susanta <b>Roychoudhury</b>, and Partha P. Majumder
1Anthropology & Human Genetics Unit, Indian Statistical Institute, Calcutta 700 108, India
2Human Genetics & Genomics Department, Indian Institute of Chemical Biology, Calcutta, India
3Crystallography & Molecular Biology Division, Saha Institute of Nuclear Physics, Calcutta, India
<!--QuoteEnd--><!--QuoteEEnd-->
<!--QuoteBegin-->QUOTE<!--QuoteEBegin-->On the basis of linguistic and religious evidence, if pastoralists arrived recently on a track from the north via Bactria, southern Tajikistan, northern Afghanistan,
and the Hindu Kush into the northern Pakistan plains (Witzel 2004), one would expect to see L3-M357 in India.<!--QuoteEnd--><!--QuoteEEnd-->
The authors then, of course, gently conclude the obvious that there are no expected Central asian markers within India.
<!--QuoteBegin-->QUOTE<!--QuoteEBegin-->The distribution of R1a1 and R2 within India is similar, as are the levels of associated microsatellite variance (table 12). The ages of the Y-microsatellite variation (table 11) for R1a1 and R2 in India suggest that the prehistoric context of these HGs will likely be complex. A principal-components plot of R1a1-M17 Y-microsatellite data (fig. 6) shows several interesting features: (a) one tight population cluster comprising southern Pakistan, Turkey, Greece, <b>Oman</b>, and West Europe; (b) one loose cluster comprising all the Indian tribal and caste populations, with the tribal populations occupying an edge of this cluster; and © Central Asia and Turkey occupy intermediate positions. The divergence time between the two clusters was <b>8â12 KYA.</b> <b>The pattern of clustering does not support the model that the primary source of the R1a1-M17 chromosomes in India was Central Asia <i>or the Indus Valley</i>[COLOR=blue] </b> via Indo-European speakers. <!--QuoteEnd--><!--QuoteEEnd-->
So now we have the Indus valley invading India scenario!!!
<!--QuoteBegin-->QUOTE<!--QuoteEBegin-->Further, the relative position of the Indian tribals (fig. 6), the high microsatellite variance among them (table 12), the estimated age <b>(14 KYA) </b>of microsatellite variation within R1a1 (table 11), and the variance peak in western Eurasia (fig. 4) are entirely inconsistent with a model of recent gene flow from castes to tribes and a large genetic impact of the Indo-Europeans on the autochthonous gene pool of India. Instead, our overall inference is that an early Holocene expansion in northwestern India (including the Indus Valley) contributed R1a1-M17 chromosomes both to the Central Asian and South Asian tribes prior to the arrival of the Indo-Europeans. The results of our more comprehensive study of Y-chromosome diversity are in agreement with the caveat of Quintana-Murci et al. (2001, p. 541), that â<b>more complex explanations are possible,â</b> rather than their simplistic conclusion that HGs J and R1a1 reflect demic expansions of southwestern Asian Dravidian-speaking farmers and Central Asian Indo-Europeanâspeaking pastorialists.<!--QuoteEnd--><!--QuoteEEnd-->
So here we have, in a world class genetic paper, the famous Witzelian "caveat" that a "complex scenario" is possible when the actual evidence goes against the perceived prejudices. Same thing was pointed out by Manansala in another paper. R1A1 is formly rooted in India with respect to both diversity and frequency and besides its parent haplo K (Krishna as termed by Oppenheimer) certainly did diversify in India. We also have haplo I and others starkly missing from India- these probably expanded from the gulf and were leftovers from the initial coastal route. btw, R1a1 presence in Oman is very telling since India is known to have extended trade relations with oman since most ancient times.
Interestingly, Sengupta does give us dates of <b>8 to 12 KYA </b>for R1a1 division
btw, Sengupta appears to be part of the Bengali (ie communist) team operating out of CAlcutta which came out with a bamshad-type paper.
<!--QuoteBegin-->QUOTE<!--QuoteEBegin-->http://www.pubmedcentral.nih.gov/articlere...gi?artid=403703
Ethnic India: A Genomic View, With Special Reference to Peopling and Structure
Analabha <b>Basu</b>, Namita <b>Mukherjee</b>, Sangita <b>Roy</b>, Sanghamitra Sengupta, Sanat <b>Banerjee</b>, Madan <b>Chakraborty</b>, Badal Dey,1 Monami <b>Roy</b>,1 Bidyut <b>Roy</b>,1 Nitai P. <b>Bhattacharyya</b>,3 Susanta <b>Roychoudhury</b>, and Partha P. Majumder
1Anthropology & Human Genetics Unit, Indian Statistical Institute, Calcutta 700 108, India
2Human Genetics & Genomics Department, Indian Institute of Chemical Biology, Calcutta, India
3Crystallography & Molecular Biology Division, Saha Institute of Nuclear Physics, Calcutta, India
<!--QuoteEnd--><!--QuoteEEnd-->