Study the following statements
1. The first transgenic crop was tobacco.
2. A DNA library constitutes a collection of all the DNA fragments of an organism inserted in plasmid.
3. Restriction fragment length polymorphism method is used to distinguish DNA of one individual from another.
4. Agrobacterium tumefaciens is used extensively for genetic engineering in plant.
Which of the statements given above are true?


A) 2 and 3

B) 1, 2 and 3

C) 1 and 2

D) None of the above

Correct answer:
A) 2 and 3



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