NEET 2011 Biology question

Which one of the following techniques made it possible to genetically engineer living organism ?

(1)Recombinant DNA techniquesCorrect
(2)X-ray diffraction
(3)Heavier isotope labelling
(4)Hybridization

Answer: (1)

Solution

Genetic engineering became possible with recombinant DNA technology: cutting DNA at specific sites with restriction enzymes, joining the fragments with DNA ligase, and inserting the recombinant DNA into a host using vectors. X-ray diffraction was used to determine the

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Question ID VK-090733