title: Evidence for shared genetic dominance between the general factor of personality, mental and physical health, and life history traits.
abstract: We reanalyze previously published data on 309 MZ and 333 DZ twin pairs aged 25 to 74 years from the MIDUS survey, a nationally representative archived sample, to examine how much of the genetic covariance between a general factor of personality (GFP), a lower-order life history factor, and a general physical and mental health factor, is of the nonadditive variety. We found nonadditive genetic effects (D) could not be ruled out as a contributor to the shared variance of these three latent factors to a Super-K Life History factor. We suggest these genetic correlations support the view that a slow (K-selected) life history strategy, good health, and the GFP coevolved and are mutually coadapted through directional selection.
authors: University of Arizona, Tucson, Arizona 85721-0068, USA.
authors: Aurelio José
authors: AJ
authors: Figueredo
authors: J Philippe
authors: JP
authors: Rushton
mesh_terms: D000328:Adult; D000368:Aged; D005075:Biological Evolution; D005260:Female; D006801:Humans; D008297:Male; D008603:Mental Health; D008875:Middle Aged; D010551:Personality / Q000502:physiology*; D010809:Physical Fitness / Q000502:physiology*; D014429:Twins, Dizygotic / Q000235:genetics*; D014430:Twins, Monozygotic / Q000235:genetics*