Open problems in human trait genetics

Nadav Brandes*, Omer Weissbrod, Michal Linial

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

15 Scopus citations

Abstract

Genetic studies of human traits have revolutionized our understanding of the variation between individuals, and yet, the genetics of most traits is still poorly understood. In this review, we highlight the major open problems that need to be solved, and by discussing these challenges provide a primer to the field. We cover general issues such as population structure, epistasis and gene-environment interactions, data-related issues such as ancestry diversity and rare genetic variants, and specific challenges related to heritability estimates, genetic association studies, and polygenic risk scores. We emphasize the interconnectedness of these problems and suggest promising avenues to address them.

Original languageAmerican English
Article number131
JournalGenome Biology
Volume23
Issue number1
DOIs
StatePublished - Dec 2022

Bibliographical note

Publisher Copyright:
© 2022, The Author(s).

Keywords

  • Causal variants
  • Complex human traits
  • Diversity
  • Epistatis
  • GWAS
  • Gene-environment interactions
  • Genome-wide association studies
  • GxE
  • GxG
  • Heritability
  • Human phenotypes
  • Linkage disequilibrium
  • Missing heritability
  • Non-additive genetic effects
  • PRS
  • Polygenic risk scores
  • Population structure
  • Rare variants
  • Recessive effects
  • Statistical genetics

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