What is Cas9 protein that is often mentioned in news?
This questions was previously asked in
UPSC CSP Previous Year Paper (2019)
A molecular scissors used in targeted gene editing
Correct AnswerA biosensor used in the accurate detection of pathogens in patients
Incorrect AnswerA gene that makes plants pest-resistant
Incorrect AnswerA herbicidal substance synthesized in genetically modified crops
Incorrect AnswerExplanation:
Cas9 (CRISPR associated protein 9) is a protein which plays a vital role in the immunological defense of certain bacteria against DNA viruses, and which is heavily utilized in genetic engineering applications. Its main function is to cut DNA and therefore it can alter a cell’s genome.
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By: Abhipedia