Cited by 20Genetic Associations and EpidemiologyIntergenerational and Educational Inequality StudiesGenetic and phenotypic traits in livestock

Population phenomena inflate genetic associations of complex social traits

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Morris, Tim T., Davies, Neil M., Hemani, Gibran, Smith, George Davey·2020·Science Advances

Abstract

In this paper, we review and demonstrate how population phenomena can inflate genotype-phenotype associations.

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Crossref · 10.1126/sciadv.aay0328

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97 of 97 references verified0 citation errors · 0 not checkable

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  • GWAS associations can be interpreted as estimates of direct individual genetic effects, that is, the effect of inheriting a genetic variant (or a correlated variant) on a phenotype.

    “GWAS associations can be interpreted as estimates of direct individual genetic effects, that is, the effect of inheriting a genetic variant (or a correlated variant) on a phenotype4–6.”

    From Within-sibship genome-wide association analyses decrease bias in estimates of direct genetic effects (2022) · cites this paper as [4]

    The Introduction (Estimation of genotype-phenotype associations; page unavailable) identifies individual-level variant substitution effects as the usual target of genotype–phenotype analyses and describes GWAS associations as per-SNP estimates. But the Discussion (page unavailable) cautions that a genetic association does not necessarily imply such an effect: population stratification, assortative mating, and dynastic effects can confound it. The claim omits that qualification on interpreting GWAS associations as direct effects. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • Pre-registration of study protocols has not been widely adopted in observational epidemiology, although it could in principle be applied and help protect against bias such as publication bias against null results or findings that do not fit the anticipated conclusion.

    “Pre-registration of study protocols has not been widely adopted in observational epidemiology, although it could in principle be applied and help protect against bias, such as publication bias against null results or findings that do not fit with the anticipated conclusion.161,162”

    From Mendelian randomization (2022) · cites this paper as [162]

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Research works printed but not linked: 1

  1. [49]D. Wilson, G. Bridge, School choice and equality of opportunity: An international systematic review (Report for the Nuffield Foundation, 2019).

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Authors
Morris, T. T., Davies, N. M., Hemani, G., & Smith, G. D.
Affiliations
  • University of Bristol (GB)
  • Norwegian University of Science and Technology (NO)
Corresponding author
Morris, Tim T.
Venue
Science Advances
Published
2020-04-17
Volume
6
Issue
16
Pages
eaay0328-eaay0328
ISSN
2375-2548 (ISSN-L)
OpenAlex
W2944638675
Cited by
20
References
97
Citations by year
2025: 1 · 2024: 1 · 2023: 3 · 2022: 5 · 2021: 5 · 2020: 4 · 2019: 1
FWCI
2.49
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Science Advances (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • NORA - Norwegian Open Research Archives (submittedVersion, cc-by)
  • Explore Bristol Research (submittedVersion, cc-by)
Funders
  • Wellcome (102215/2/13/2)
  • Medical Research Council (102215/2/13/2, MC_UU_12013/1, MC_UU_12013/9, MC_UU_00011/1)
  • Economic and Social Research Council (ES/N000757/1, ES/S011021/1)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Social Sciences › Sociology and Political Science › Intergenerational and Educational Inequality Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and phenotypic traits in livestock
Keywords
population stratification, assortative mating, heritability, genetic correlation, genetic association, genotype-phenotype correlation, academic performance, parental socioeconomic position, family-based designs
MeSH terms
Genotype, Models, Genetic, Phenotype, Reproduction, Genetic Association Studies, Sociological Factors

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