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Question

Cosmid is

A
Extra DNA in bacteria
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B
Fragment of DNA inserted in bacteria for forming copies
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C
Circular DNA in bacteria
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D
Extragenetic material In Mycoplasma
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Solution

The correct option is B Extra DNA in bacteria
Cosmid is a hybrid of plasmid and lambda phage cos sequence. These are DNA sequence used as a cloning vector in genetic engineering. They are seen as extra DNA in bacteria. It inserted in bacteria along with DNA to produce copies of gene therapy.
Hence answer is A.

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