Ask the Brains; September / October 2010; Scientific American Mind; by Nicholas R. Eaton; Robert F. Krueger; Jaime Derringer; Abigail Powers; Paul Reber; 1 Page(s)

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Is altruism a genetic trait?
—Daniel Hall, Oceanside, Calif.

Nicholas R. Eaton, a doctoral student in psychology at Washington University in St. Louis, responds, writing in collaboration with professor of clinical psychology Robert F. Krueger and doctoral students Jaime Derringer and Abigail Powers: