The conclusions form one of the recent studies in genetics on human origin point to India-centric origin rather from outside, thereby not only rubbishing the Aryan invasion theory, but also establishing the absence of North –South divide in India.
The conclusions of that study can be read at the following link.
http://rajeev2004.blogspot.com/2008/11/what-genetics-can-say-about-diversity.html
On a wider analysis it will be seen that the Indian sub-continent which once was part of a huge land mass, now recognized as Lemuria that connected Africa of today, was the hub of human evolution and activity.
The widely written accounts on Daksha-prajapathy (the Father of people in the South) seem to hold the key to human evolution. When a part of that land mass severed away and moved northward hitting the Asian landmass, the Himalayas rose – opening a new chapter in the history of the people of Daksha prajapathy who also shifted northward along with the slowly shifting landmass which became their Aryavartha in the new Manvantra (the present one)
The sanatanic culture was thus continued from Daksha's southern land to this Aryavartha that is now in the north of the equator and that is why we have a Tamil land with strong Sanathanic leanings. This was not imported from the North as some Dravidian zealots preach.
Moreover human migration took place from this land about 9,000 years ago from the north-north west India during Sagara's times (Rama's ancestor in whose regime discord among people was first experienced) when his opponents – who transgressed sanatanic value system were exiled. These exiled groups spread out to middle Asia and west Asia – which we now mistakenly think as the origin of human evolution and civilization.
The vast Indian literature – from Valmiki to Varahamihira gives us lots of inputs and clues about this – bits and pieces of which are now being unraveled by modern scientific tools.
http://jayasreesaranathan.blogspot.com/2008/11/sindhoor-in-harappan-figurines.html
http://jayasreesaranathan.blogspot.com/2008/08/roma-connection-with-india.html
http://jayasreesaranathan.blogspot.com/2008/09/indians-colonised-rest-of-world.html
http://jayasreesaranathan.blogspot.com/2008/02/lineage-of-rama.html
-jayasree
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What Genetics can say about the diversity of Indians, and refutation of the Aryans coming from overseas
http://rajeev2004.blogspot.com/2008/11/what-genetics-can-say-about-diversity.html
Conclusions
It is, of course, still possible to find genetic studies trying to interpret differences between North and South Indians or higher and lower castes within the invasionist framework, but that is simply because they take it for granted in the first place. None of the nine major studies quoted above lends any support to it, and none proposes to define a demarcation line between tribe and caste. The overall picture emerging from these studies is, first, an unequivocal rejection of a 3500-BP arrival of a "Caucasoid" or Central Asian gene pool. Just as the imaginary Aryan invasion / migration left no trace in Indian literature, in the archaeological and the anthropological record, it is invisible at the genetic level. The agreement between these different fields is remarkable by any standard, and offers hope for a grand synthesis in the near future, which will also integrate agriculture and linguistics.
Secondly, they account for India's considerable genetic diversity by using a time-scale not of a few millennia, but of 40,000 or 50,000 years. In fact, several experts, such as Lluís Quintana-Murci,20 Vincent Macaulay,21 Stephen Oppenheimer,22 Michael Petraglia,23 and their associates, have in the last few years proposed that when Homo sapiens migrated out of Africa, he first reached South-West Asia around 75,000 BP, and from here, went on to other parts of the world. In simple terms, except for Africans, all humans have ancestors in the North-West of the Indian peninsula. In particular, one migration started around 50,000 BP towards the Middle East and Western Europe: "indeed, nearly all Europeans — and by extension, many Americans — can trace their ancestors to only four mtDNA lines, which appeared between 10,000 and 50,000 years ago and originated from South Asia."
Oppenheimer, a leading advocate of this scenario, summarizes it in these words:
"For me and for Toomas Kivisild, South Asia is logically the ultimate origin of M17 and his ancestors; and sure enough we find the highest rates and greatest diversity of the M17 line in Pakistan, India, and eastern Iran, and low rates in the Caucasus. M17 is not only more diverse in South Asia than in Central Asia, but diversity characterizes its presence in isolated tribal groups in the south, thus undermining any theory of M17 as a marker of a 'male Aryan invasion' of India. One average estimate for the origin of this line in India is as much as 51,000 years. All this suggests that M17 could have found his way initially from India or Pakistan, through Kashmir, then via Central Asia and Russia, before finally coming into Europe."
We will not call it, of course, an "Indian invasion" of Europe; in simple terms, India acted "as an incubator of early genetic differentiation of modern humans moving out of Africa."
Genetics is a fast-evolving discipline, and the studies quoted above are certainly not the last word; but they have laid the basis for a wholly different perspective of Indian populations, and it is most unlikely that we will have to abandon it to return to the crude racial nineteenth-century fallacies of Aryan invaders and Dravidian autochthons. Neither have any reality in genetic terms, just as they have no reality in archaeological or cultural terms. In this sense, genetics is joining other disciplines in helping to clean the cobwebs of colonial historiography. If some have a vested interest in patching together the said cobwebs so they may keep cluttering our history textbooks, they are only delaying the inevitable.
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