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MP Board · Class 12 · Biology · Molecular Basis of InheritanceWho experimentally proved semi-conservative replication of DNA for the first time in E. coli?

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Total Attempts: 11
Accuracy Rate: 36.4%
Step-by-Step Solution

Matthew Meselson and Franklin Stahl experimentally proved the semi-conservative mode of DNA replication in E. coli in 1958 using 15N heavy isotope and CsCl density gradient centrifugation.

Detailed Options Breakdown
Option : Watson and Crick

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Molecular Basis of Inheritance.

Option 1: Meselson and Stahl (Correct Answer)

Correct choice. Refer to the step-by-step verified solution guidelines above for details.

Option 2: Hershey and Chase

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Molecular Basis of Inheritance.

Option 3: Griffith

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Molecular Basis of Inheritance.

💡 Study Guide: This question tests core syllabus concepts from Molecular Basis of Inheritance. For formulas, key summaries, and mock exam reference guides, read the full Molecular Basis of Inheritance Revision Notes.
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