Decomposition of multivariate phenotypic means in multigroup genetic covariance structure analysis

Conor V. Dolan, Peter C.M. Molenaar, Dorret I. Boomsma

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Observed differences in phenotypic means between groups such as parents and their offspring or male and female twins can be decomposed into genetic and environmental components. The decomposition is based on the assumption that the difference in phenotypic means is due to a difference in the location of the normal genetic and environmental distributions underlying the phenotypic individual differences. Differences between the groups in variance can be accommodated insofar as they are due to differences in unique variance or can be modeled using a scale parameter. The decomposition may be carried out in the standard analysis of genetic covariance structure using, for instance, LISREL. Illustrations are given using simulated data and twin data relating to blood pressure. Other possible applications are mentioned.

Original languageEnglish (US)
Pages (from-to)319-335
Number of pages17
JournalBehavior Genetics
Volume22
Issue number3
DOIs
StatePublished - May 1 1992

Fingerprint

genetic covariance
Genetic Structures
Individuality
decomposition
Blood Pressure
degradation
blood pressure
blood
analysis

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Genetics
  • Genetics(clinical)

Cite this

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Decomposition of multivariate phenotypic means in multigroup genetic covariance structure analysis. / Dolan, Conor V.; Molenaar, Peter C.M.; Boomsma, Dorret I.

In: Behavior Genetics, Vol. 22, No. 3, 01.05.1992, p. 319-335.

Research output: Contribution to journalArticle

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