12th Class Biology Molecular basis of inheritance

  • question_answer 72)   That background information did Watson and Crick have made available for developing a model of DNA? What was their contribution?


                      Watson and Crick had the following informations which helped them to develop a model of DNA. (i) Chargaff's Law suggesting and (ii) Wilkins and Rosalind Franklin's work on DNA crystal's X-ray diffraction studies about DNAs physical structure. Watson and Crick proposed (a) Pattern of complementary bases pair (b) Semi-conservative replication (c) Mutation through tautomerism

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