 ), as well as the discovery of the neo-Darwinian synthesis, such sciences, in particular anthropometry, were used to deduce behaviours and psychological characteristics from outward, physical appearances.The neo-Darwinian synthesis, first developed in the 1930s, eventually led to a gene-centered view of evolution in the 1960s.According to the Human Genome Project, the most complete mapping of human DNA to date indicates that there is no clear genetic basis to racial groups.