Assertion (A): Scientists can cut apart and paste together DNA molecules at will, regardless of the source of the molecules. Reason (R): DNA fragments can be manipulated using restriction endonucleases and DNA ligases.

Asked in UPPCS Prelims 2001 · Topic: Genetic Engineering and Biotechnology (Recombinant DNA Technology: Principles, Tools (Restriction Enzymes, Ligases, Vectors))

1. Both A and R are individually true and R is the correct explanation of A
2. Both A and R are individually true but R is NOT a correct explanation of A
3. A is true but R is false
4. A is false but R is true

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