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Heritability of Working in a Creative Profession
Mark Patrick Roeling1, Gonneke Willemsen2, Dorret I Boomsma2
1Department of Computer Science, University of Oxford, Robert Hooke Building, Parks Road, Oxford, OX1 3QD, UK. mark.roeling@wolfson.ox.ac.uk.
Abstract:
Creativity is the tendency to generate or recognize ideas, alternatives, or possibilities. Following a study on the genetic contribution to working in a creative profession, based on polygenic score analysis, we report the total heritability of this trait in a large sample of adult twins and their siblings registered with the Netherlands Twin Register. Data from 6755 twins and 1817 siblings were analyzed using genetic structural equation modeling. Working in a creative profession is relatively rare in our sample (2.6% of twins and 3.2% of siblings). Twin correlations (identical 0.68 and fraternal 0.40) commended a model with additive genetic factors (full model estimate 0.56), shared (full model estimate 0.12), and unique environmental factors (full model estimate 0.32). Genetic model fitting resulted in a best-fitting model existing of additive genetic factors and unique environmental factors, resulting in a heritability of 0.70.
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