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Question

Advancement in genetic engineering has been possible due to discovery of :

A
Transposons
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B
Endonucleases
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C
Exonucleases
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D
Oncogenes
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Solution

The correct option is B Endonucleases
Answer is option B i.e. "Endonucleases"
Endonucleases or restriction enzymes is an enzyme which result in a series of advancements in techniques that allowed the direct modification of the genome. Other advancements include the discovery of DNA ligases, the ability to design plasmids and technologies like polymerase chain reaction and sequencing.

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