Tag: ancestry


June 20, 2008

A Genetic Look at “Guns, Germs and Steel”

Caption: Gradients of genetic diversity are shown from dark to light colors running roughly northwest to southeast down the map of the Americas above, reflecting human migration.  Ramachandran thinks that the major axis of the continent is tilted; Diamond asserts that the axis runs north to south. Image from PLoS Genetics: Wang et al, 2007 (http://www.plosgenetics.org/article/info:doi/10.1371/journal.pgen.0030185).

What can we learn from studying how variations of human genes are spread out around the world? A lot, said population geneticist and Harvard junior fellow Sohini Ramachandran, who spoke at 23andMe this week. Ramachandran focused on how genes spread from one continent to another, and how they vary within [...]

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June 13, 2008

A Beautiful Ancestry Painting

roykingap2

Roy King is a clinical psychiatrist at Stanford University. He’s also a scholar who uses genetics and archaeology to figure out how agriculture spread through Anatolia and the Mediterranean region of Europe more than 10,000 years ago. Now Roy has another genetic puzzle to consider – himself. With the [...]

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May 7, 2008

Whose Y to Use? Paternal Ancestry for Ladies

One of the most exciting parts of 23andMe’s Personal Genome Service™ is discovering your genetic ancestry. Suddenly your family tree has branches that reach back thousands of years into the prehistoric past. At present, 23andMe customers can trace two branches of their genetic family tree – one that [...]

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March 25, 2008

New Feature: Ancestry Painting

Ancestry Painting of European Woman

It was not very long ago – at least in evolutionary terms – that humans first ventured beyond the continent of their species’ birth. But once people did begin migrating out of Africa about 50,000 years ago to populate the lands we now call the Middle East, Asia, Europe and the Americas, the [...]

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