Studies Show Jews’ Genetic SimilarityBy NICHOLAS WADE
Published: June 9, 2010
The shared genetic elements suggest that members of any Jewish community are related to one another as closely as are fourth or fifth cousins in a large population, which is about 10 times higher than the relationship between two people chosen at random off the streets of New York City, Dr. Atzmon said
http://www.nytimes.com/2010/06/10/science/10jews.html?src=un&feedurl=http%3A%2F%2Fjson8.nytimes.com%2Fpages%2Fscience%2Findex.jsonp