Study 1: This paper is published in the Journal Twin Research The relative importance of genetic influences (heritability) on five general textural quality characteristics of the human iris was assessed using sex and age limitation models. Colour photographs of irises were available from 100 monozygotic twin pairs, 99 dizygotic twin pairs, and 99 unrelated randomly…
TR003/03 Importance of Genetic Effects for Characteristics of the Human Iris. Mats Larsson1, Department of Behavioral, Social and Legal Sciences, Center for Developmental Research, Örebro University, 701 82 Örebro, Sweden. Phone: +46 19 303415 Fax: +46 19 303484 Email: mats.larsson@bsr.oru.se Nancy L. Pedersen2, Department of Medical…
Title page: Associations between iris characteristics and personality in adulthood Mats Larssona*, Nancy L. Pedersenb, Håkan Stattina aDepartment of Behavioral, Social and Legal Sciences, Center for Developmental Research, Örebro University, 701 82 Örebro, Sweden. bDepartment of Medical Epidemiology and Biostatistics Karolinska Institutet, Box 281, 171 77 Stockholm, Sweden.…