Multiple choice

What is the first step in the southern blot technique?

  1. Denaturation of DNA on gel for hybridisation with specific probe

  2. Production of a group of genetically identical cells

  3. Digestion of DNA by restriction enzyme

  4. Isolation of DNA from a nucleated cell, such as the one from a scene of crime.
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C Correct answer
Explanation

Southern blot is a procedure used for identifying a specific gene.

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