gene-environment interaction Keyword: gene-environment interaction 1 Question Articles Volume 3, Issue 3DRD1 (-48A/G DdeI) gene polymorphism and alcohol dependence – a study among Meiteis of Manipur, India H. Suraj Singh, S. K. Devi, K. N. Saraswathy May 25, 2014 Human genetics alcohol, Dopamine receptor, DRD1, gene-environment interaction, smoking,