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Indian populations have more genetic diversity than other Eurasian populations

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  • Indian populations have more genetic diversity than other Eurasian populations

    Latest genetic research is confirming that people in India and South Asia have greater genetic diversity than people in rest of Asia or Europe.

    Article:
    Early humans were from Africa but their route out was via Arabia not Egypt | Mail Online
    BBC News - Early humans' route out of Africa 'confirmed'

    Scientists confirm early humans were from Africa but their route out was via Arabia not Egypt. Our ancestors headed into India via Yemen before wandering further east and north.

    Our human ancestors did come from Africa but left the continent to spread across the world via a different route than first thought, scientists have revealed.
    A six-year study mapping genetic patterns found that people who ended up in Europe, Asia and Oceania got there by crossing the sea to Arabia around 70,000 years ago.
    Scientists had thought that humankind left for other continents in a northern direction through Egypt's Sinai region but now it seems they wandered further south, probably via Yemen.
    Evidence shows sea levels were probably low enough for the first people to cross from the horn of Africa into Arabia via the Red Sea's Bab-el-Mandeb straits.
    From there it seems that southern Asian countries like India were key stopping points from where humans spread across the rest of the world.
    Settlers followed a coastal route down into east Asia and Oceania while others burst upwards into Iran, Russia, Europe and China.

    Researchers have found that the Indian populations had more genetic diversity, showing they have a greater age than Europeans or east Asians, which they say proves their theory.

    Base (population for Eurasians): The rich variety of people in India has led scientists to believe it is from there that many humans spread across the world after leaving Africa

    'With evidence that the genetic diversity in southern India is closer to Africa than that of Europe, this suggests that other fields of research such as archaeology and anthropology should look for additional evidence on the migration route of early humans to further explore this theory.'


  • #2
    nature and biology?

    anyways it may be true that humans spread from south asia, but the article fails to say that south asia was invaded hundreds of times by different people, this may be the biggest reason for diversity. All indians have ancestral south indian component in high numbers, which relates all of them north to south.

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