meta-analysis · 2015 · en
Meta-Analysis of the Heritability of Human Traits Based on Fifty Years of Twin Studies
Polderman TJC, Benyamin B, de Leeuw CA, Sullivan PF, van Bochoven A, Visscher PM, Posthuma D
Nature Genetics 47(7):702-709
Evidencia · Seminal
Síntesis
Meta-analysis of 2,748 twin studies (>14.5 million pairs, 17,804 traits) finding mean heritability of 49% and broad consistency with the equal-environments assumption. Definitive empirical foundation for heritability of human traits.
Etapas
transversal
Dominios
behavioral-genetics, mental-health, cognitive-development
Tags
twin-study · heritability · meta-analysis · MaTCH · Polderman
Afirmaciones que citan esta fuente (1)
clm-heritability-substantial-replicated
Across more than fifty years of twin and adoption research, nearly all psychological and psychiatric traits show substantial heritability (mean ~49%); shared family environment generally contributes less than additive genetic factors after early childhood.