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Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYMolecular Basis of Inheritance3 Marks
Question
What background information did Watson and Crick have made available for developing a model of DNA? What was their contribution?
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Answer

Wastson and Crick had the following informations which helped them to develop a model of DNA,
  1. Chargaffs’ Law suggesting A = T, and C = G.
  2. Wilkins and Rosalind Franklin’s work on DNA crystal’s X-ray diffraction studies about DNA’s physical structure.
  3. Watson and crick proposed:
  • How complementary bases may pair.
  • Semi conservative replication and.
  • Mutation through tautomerism.

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