Nature Communications (Feb 2022)

Assortative mating biases marker-based heritability estimators

  • Richard Border,
  • Sean O’Rourke,
  • Teresa de Candia,
  • Michael E. Goddard,
  • Peter M. Visscher,
  • Loic Yengo,
  • Matt Jones,
  • Matthew C. Keller

DOI
https://doi.org/10.1038/s41467-022-28294-9
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 10

Abstract

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Methods for estimating heritability, the fraction of variance attributable to genetic factors, assume random mating. Here, the authors show that under assortative mating, when mate choice reflects phenotypic similarity, these methods produce overestimates.