Civil Services Prep

Prelims 2017 · Science and Technology · Question 28

What is the application of Somatic Cell Nuclear Transfer Technology?

  1. Production of biolarvicides
  2. Manufacture of biodegradable plastics
  3. Reproductive cloning of animals
  4. Production of organisms free of diseases

Answer

Reproductive cloning of animals

  • (a) Production of biolarvicides: Biolarvicides are usually made from microbes like Bacillus thuringiensis or Bacillus sphaericus. Not an application of Somatic Cell Nuclear Transfer (SCNT).
  • (b) Manufacture of biodegradable plastics: Biodegradable plastics are produced using biopolymers or engineered microbes/plants. SCNT is not used for this purpose.
  • (c) Reproductive cloning of animals: SCNT involves transferring the nucleus of a somatic cell into an enucleated egg to create a clone; this is the technique used in cloning animals like Dolly the sheep. Correct.
  • (d) Production of organisms free of diseases: SCNT is not a standard technology for producing disease-free organisms; disease-free lines are usually developed through screening, tissue culture, or breeding methods. Incorrect.
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