Statement I: Plasmids and bacteriophages have the ability to replicate within bacterial cells under control for chromosomal DNA.
Statement II: If we are able to link an alien piece of DNA with bacteriophage or plasmid DNA, we can multiply its numbers equal to the copy number of the plaid or bacteriophage.
Text Solution
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Statement I: Incorrect
Plasmids and bacteriophages can replicate independently (autonomously) in bacterial cells; they are not under the control of chromosomal DNA.
Statement II: Correct
If an alien DNA fragment is linked to a plasmid or bacteriophage vector, it will replicate along with the vector, producing copies according to the vector's copy number.
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