Same genes, same environment, different personality: Is individuality unavoidable?

Genetically identical Amazon mollies raised individually and under identical environmental conditions, nevertheless develop different personality types. Additionally, increasing the opportunity for social interactions early in life appears to have no influence of the magnitude of personality variation. These results of a recent study by the Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB) shed a new light on the question of which factors are responsible for the individuality of vertebrate animals. (Mehr in: Pressemitteilungen – idw – Informationsdienst Wissenschaft)