http://humancond.org/papers/turkheimer00_three_laws_behavior_genetics http://humancond.org/papers/turkheimer00_three_laws_behavior... The author proposes three

http://humancond.org/papers/turkheimer00_three_laws_behavior_genetics http://humancond.org/papers/turkheimer00_three_laws_behavior... The author proposes three laws of behavioral genetics which summarize results across a wide range of behaviors: All human behavioral traits are heritable. The effect of being raised in the same family is smaller than the effect of genes. A substantial portion of the variation in complex human behavioral traits is not accounted for by the effects of genes or families.