Biology · History of Science
Consider the following scientific milestones and arrange them in the correct chronological order starting from the earliest to the latest: I. First test-tube baby born II. First cloned sheep (Dolly) III. Discovery of Penicillin (Antibiotic) IV. Discovery of the double helix structure of DNA Select the correct answer from the code given below:
- 1III, IV, I, II✓
- 2IV, III, I, II
- 3I, II, III, IV
- 4II, IV, III, I
Correct answer
III, IV, I, II
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