Dr. Kevin MacDonald describes how prevalent psychological traits that appear adaptive to a group, but maladaptive to individual members of the group, may be explained by selection pressures exerted by culture.
Altruism among genetically dissmilar persons, and monogamy, are examples of such group traits that are difficult to explain by natural selection acting only at the level of genes or individuals.
Culture can suppress expression of people's genetic tendencies that conflict with a desired group trait. For instance, a child's selfishness can be reduced by her teachers reinforcing altruism and discouraging selfish behavior. Over time, the frequency of genes tending to make group members selfish may decrease if the group's culture encourages members to choose only unselfish mates.
Kevin MacDonald, PhD, is Professor of Psychology at California State University, Long Beach, where he teaches evolutionary psychology and developmental psychology.
He finds that certain Jewish group evolutionary strategies, such as unrestricted immigration, multiculturalism, financial and media control, and attempts at outlawing expression by calling it "hate speech," are leading to the displacement of European-derived people in America.
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