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- Title
Celebrating a Century of Research in Behavioral Genetics.
- Authors
Plomin, Robert
- Abstract
A century after the first twin and adoption studies of behavior in the 1920s, this review looks back on the journey and celebrates milestones in behavioral genetic research. After a whistle-stop tour of early quantitative genetic research and the parallel journey of molecular genetics, the travelogue focuses on the last fifty years. Just as quantitative genetic discoveries were beginning to slow down in the 1990s, molecular genetics made it possible to assess DNA variation directly. From a rocky start with candidate gene association research, by 2005 the technological advance of DNA microarrays enabled genome-wide association studies, which have successfully identified some of the DNA variants that contribute to the ubiquitous heritability of behavioral traits. The ability to aggregate the effects of thousands of DNA variants in polygenic scores has created a DNA revolution in the behavioral sciences by making it possible to use DNA to predict individual differences in behavior from early in life.
- Subjects
BEHAVIOR genetics; BEHAVIORAL research; DNA microarrays; MOLECULAR genetics; GENOME-wide association studies; QUANTITATIVE genetics
- Publication
Behavior Genetics, 2023, Vol 53, Issue 2, p75
- ISSN
0001-8244
- Publication type
Article
- DOI
10.1007/s10519-023-10132-3