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News and Views
Nature 461, 487-488 (24 September 2009) | doi:10.1038/461487a; Published online 23 September 2009
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Human genetics: Tracing India's invisible threads
Aravinda Chakravarti1
Abstract
One measure of the extraordinary level of human diversity found in India is the use of 15 languages on its banknotes. The genetic underpinnings of that population diversity are yielding to whole-genome analysis.
The idea and shape of modern India was an invention of its twentieth-century political leaders, who crafted citizenship defined by civic and universalist, rather than ethnic or religious, criteria precisely because that citizenship is so diverse1. As Jawaharlal Nehru, the nation's first prime minister, wrote2: "[India] is four hundred million separate individual men and women, each differing from the other ... a bundle of contradictions held together by strong but invisible threads.
- Aravinda Chakravarti is at the Center for Complex Disease Genomics, McKusick–Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA.
Email: aravinda@jhmi.edu
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