Genome-wide genetic homogeneity between sexes and populations for human height and body mass index

Jian Yang*, Andrew Bakshi, Zhihong Zhu, Gibran Hemani, Anna A. E. Vinkhuyzen, Ilja M. Nolte, Jana V. van Vliet-Ostaptchouk, Harold Snieder, Lifelines Cohort Study, Tonu Esko, Lili Milani, Reedik Maegi, Andres Metspalu, Anders Hamsten, Patrik K. E. Magnusson, Nancy L. Pedersen, Erik Ingelsson, Peter M. Visscher

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

48 Citations (Scopus)

Abstract

Sex-specific genetic effects have been proposed to be an important source of variation for human complex traits. Here we use two distinct genome-wide methods to estimate the autosomal genetic correlation (r(g)) between men and women for human height and body mass index (BMI), using individual-level (n = similar to 44 000) and summary-level (n = similar to 133 000) data from genome-wide association studies. Results are consistent and show that the between-sex genetic correlation is not significantly different from unity for both traits. In contrast, we find evidence of genetic heterogeneity between sexes for waist-hip ratio (r(g) = similar to 0.7) and between populations for BMI (r(g) = similar to 0.9 between Europe and the USA) but not for height. The lack of evidence for substantial genetic heterogeneity for body size is consistent with empirical findings across traits and species.

Original languageEnglish
Pages (from-to)7445-7449
Number of pages5
JournalHuman Molecular Genetics
Volume24
Issue number25
DOIs
Publication statusPublished - 20-Dec-2015

Keywords

  • SEXUAL-DIMORPHISM
  • HERITABILITY
  • TRAITS
  • ARCHITECTURE
  • ASSOCIATION
  • COMMON
  • DISEASES
  • WEIGHT
  • TWIN

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