Moderate

An analysis of chromosomal DNA using the Southern hybridization technique does not use:

Correct answer: D. PCR

  • A. Electrophores
  • B. Blotting
  • C. Autoradiography
  • D. PCR

Explanation

Southern blotting is based on the principle of separation of DNA fragments by gel electrophoresis followed by the identification of labelled probe hybridization. The DNA fragments are separated based on their size and charge during electrophoresis.

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Biotechnology in health care applies biological organisms, cells or enzymes to diagnose and treat disease. The subject includes recombinant DNA, genetically engineered insulin, vaccines, antibiotics, monoclonal antibodies, gene therapy and techniques such as polymerase chain reaction, while distinguishing therapeutic applications from agricultural and industrial biotechnology.

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