Evidence for shared genetic dominance between the general factor of personality, mental and physical health, and life history traits

Aurelio J Figueredo, J. Philippe Rushton

Research output: Contribution to journalArticle

93 Citations (Scopus)

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.

Original languageEnglish (US)
Pages (from-to)555-563
Number of pages9
JournalTwin Research and Human Genetics
Volume12
Issue number6
DOIs
StatePublished - 2009

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Personality
Mental Health
Potassium Chloride
Health
Life History Traits
Surveys and Questionnaires

Keywords

  • Big One
  • General factor of personality
  • Heritability
  • Nonadditive genetic variance

ASJC Scopus subject areas

  • Genetics(clinical)
  • Obstetrics and Gynecology
  • Pediatrics, Perinatology, and Child Health

Cite this

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