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Given below are two statements: One is labelled Assertion(A) and other is labelled Reason(R).
Assertion(A) : Semi-conservative method of DNA replication was experimentally proved by Watson & Crick.
Reason (R) : The experimental proof was first shown in Escherichia coli.
In the light of above statements, choose the correct answer from the options given below.

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(A) is correct but (R) is false

Both (A) and (R) are correct (R) does not explain (A)

Both (A) and (R) are correct, (R) explains (A)

(A) is incorrect but (R) is correct

answer is D.

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Detailed Solution

A is false. Semiconservative method of DNA replication was experimentally proved by Matthew Meselson and Franklin Stahl.

R is true. The experimental proof of semi-conservative replication was first shown in Escherichia coli.

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