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Question : What background information did Watson and Crick have made available for developing a model of DNA ? What was their contribution ?

Answer»

Solution :Watson and Crick had the FOLLOWING information which helped them to develop a model of DNA.
(i) Chargaffs Law suggesting A = T, and C = G.
(ii) Wilkins and Rosalind FRANKLINS work on DNA crystals X-ray diffraction studies about DNAS physical structure.
(iii) Watson and crick proposed
(a) How complementary based may pair
(b) Semi conservative REPLICATION and
(c) Mutation through tautomerism.


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