Multiple choice

Polymerase chain reaction (PCR) based markers were developed to ______.

  1. differentiate between different biotypes of gall midge

  2. manufacture antibiotics

  3. create termination codon

  4. obtain soil micro-organisms with the help of reductase enzyme

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A Correct answer
Explanation

PCR-based markers are used in molecular biology to identify genetic variations. They are specifically useful for distinguishing between different biotypes of organisms like the gall midge.