GS PrelimsScience and TechnologyBiotechnology2017

What is the application of Somatic Cell Nuclear Transfer Technology?

A

Production of biolarvicides

B

Manufacture of biodegradable plastics

C

Reproductive cloning of animals

D

Production of organisms free of diseases

Correct Answer: Option C

Explanation

1. Somatic Cell Nuclear Transfer (SCNT) is a laboratory technology that involves taking the nucleus (containing the genetic material) from a somatic cell (a body cell other than a sperm or egg cell) and transferring it into an enucleated egg cell (an egg cell from which the nucleus has been removed). 2. The primary and most well-known application of Somatic Cell Nuclear Transfer Technology is for the purpose of reproductive cloning of animals. The reconstructed egg, containing the donor nucleus, is stimulated to divide and develop into an embryo, which is then implanted into a surrogate mother to produce a clone (a genetically identical copy) of the animal from which the somatic cell was taken (e.g., Dolly the sheep). 3. Options (A), (B), and (D) are unrelated applications. Production of biolarvicides, manufacture of biodegradable plastics, and creating organisms free of diseases involve different biotechnological or breeding techniques, not SCNT.

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