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Question

More advancement in genetic engineering is due to

A
Restriction endonuclease
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B
Reverse transcriptase
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C
Protease
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D
Zymase
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Solution

The correct option is A Restriction endonuclease
The discovery of enzymes that could cut and paste DNA made genetic engineering possible. Restriction enzymes are DNA-cutting enzymes found in bacteria and harvested from them for use. Because they cut within the molecule, they are often called restriction endonucleases. A restriction enzyme recognizes and cuts DNA only at a particular sequence of nucleotides. So, restriction endonucleases are used for separation of genetic material.
Therefore, the correct answer is option A.

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