Exploring the Genetic Etiology of Trust in Adolescents: Combined Twin and DNA Analyses.

ABSTRACT: Behavioral traits generally show moderate to strong genetic influence, with heritability estimates of around 50%. Some recent research has suggested that trust may be an exception because it is more strongly influenced by social interactions. In a sample of over 7,000 adolescent twins from the United Kingdom's Twins Early Development Study, we found broad sense heritability estimates of 57% for generalized trust and 51% for trust in friends. Genomic-relatedness-matrix restricted maximum likelihood (GREML) estimates in the same sample indicate that 21% of the narrow sense genetic variance can be explained by common single nucleotide polymorphisms for generalized trust and 43% for trust in friends. As expected, this implies a large amount of unexplained heritability, although power is low fo

SUBMITTER: Wootton RE 

PROVIDER: S-EPMC5260944 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature