We know that the variation in any single locus is responsible for < 1⁄100 of the variance of IQ. If genes corresponded to drugs, then that gives an upper bound on the efficacy of drugs. I think that we can agree that 100 does not counts as “a few.”
We know that the variation in any single locus is responsible for < 1⁄100 of the variance of IQ. If genes corresponded to drugs, then that gives an upper bound on the efficacy of drugs. I think that we can agree that 100 does not counts as “a few.”