Series : Equinox - Channel 4 UK Show title : Double Identity First shown : 27th Oct 1996 Catalogue Number :

Everyone knows that features, and some mental characteristics, are defined by genes. But the extent to which genetics, rather than environment, determines personalities has long been a source of debate. Results from research into the shared characteristic of twins has come closer than ever to finding a definitive solution to this question The importance of random forces, such as luck and fate have been questioned, while evidence suggests that intelligence, personality, propensity for drug-abuse, and even the extent of political and religious beliefs, is genetically based. Equinox travels to Twinsburg, USA, to delve into this fascinating and informative line of research. In the study of twins separated at birth, the film emerges with some amazing facts from the nature versus nurture debate.

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