Q: 75 (UPPSC/2012)Who had proposed for the first time the double helix model of DNA ?Watson and Crick Fisher and HaldoniLam ark and DarwinHugo de Vriesquestion_subject: Sciencequestion_exam: UPPSCstats: 0,28,8,28,2,4,2keywords: {'double helix model': [0, 0, 0, 1], 'darwin': [4, 0, 0, 0], 'dna': [3, 1, 1, 2], 'hugo de vries': [0, 0, 1, 1], 'watson': [1, 0, 0, 1]} Please login to bookmark this question