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As scientists dedicated to studying genetic variation, we thank David Dobbs for his review of Nicholas Wade’s “A Troublesome Inheritance: Genes, Race and Human History”(July 13), and for his description of Wade’s misappropriation of research from our field to support arguments about differences among human societies.

As discussed by Dobbs and many others, Wade juxtaposes an incomplete and inaccurate account of our research on human genetic differences with speculation that recent natural selection has led to worldwide differences in IQ test results, political institutions and economic development. We reject Wade’s implication that our findings substantiate his guesswork. They do not.