Which vector is used to replace defective gene in gene therapy?
A
Cosmid
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B
Ri plasmid
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C
Ti plasmid
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D
Adenovirus
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Solution
The correct option is D Adenovirus Adenovirus vectors can be replication defective; certain essential viral genes are deleted and replaced by a cassette that expresses a foreign therapeutic gene. Such a vector are used for gene therapy, as vaccines and for cancer therapy.