Robert J. Plomin, FBA (born 1948) is an American psychologist and geneticist best known for his work in twin studies and behavior genetics. A Review of General Psychology survey, published in 2002, ranked Plomin as the 71st most cited psychologist of the 20th century.
- We now know that DNA differences are the major systematic source of psychological differences between us. Environmental effects are important but what we have learned in recent years is that they are mostly random – unsystematic and unstable – which means that we cannot do much about them.
- Understanding how DNA makes us who we are will teach us to be more tolerant of each other
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- DNA isn’t all that matters but it matters more than everything else put together