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Biotechnology : Principles and Processes
Question
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Plasmid is

  • small extrachromosomal circular self replicating DNA that can carry genes into host organism

  • bacteriophage

  • DNA found in mitochondria

  • DNA incorporated in bacterial chromosome

Answer

A.

small extrachromosomal circular self replicating DNA that can carry genes into host organism

Plasmids are additional or extrachromosomal small rings of DNA having a few useful but non-vital genes like F-factor, R-factor or Nif gene. These are self-replicating and work as a vector in genetic engineering.

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