Adaptationism and molecular biology: An example based on ADHD
James Swanson a1, Robert Moyzis a1, John Fossella a2, Jin Fan a2andMichael I. Posner a2 a1 UC Irvine Child Development Center, Irvine, CA 92612
[email protected][email protected] a2 Sackler Institute, Weill Medical College of Cornell University, New York, NY 10021
Rather than starting with traits and speculating whether selective forces drove evolution in past environments, we propose starting with a candidate gene associated with a trait and testing first for patterns of selection at the DNA level. This can provide limitations on the number of traits to be evaluated subsequently by adaptationism as described by Andrews et al.