... Taking the case of behavior genetics, this essay traces efforts to cope with scientific disappointments and the conflicts among scientists spurred by postgenomics. Behavior genetics has long anticipated the advent of molecular genetics and postgenomics as deliverance from its endemic affliction...

... Chapter 1 argues that, like liberalism and mestizaje, human population genetics has been characterized by a tension between purity and mixture, which has run through its attempts to understand human diversity. In the genetic study of Latin American populations, that tension is especially evident...

...Genetics and Multiculturalism Chapter 2 looks at genetic studies carried out from the 1940s to the 1970s. These focused mainly on indigenous peoples, but necessarily explored processes of mestizaje. The studies took place at the time of a global shift toward antiracism, which depended...