UPSC Prelims 2013 · Question 55 of 99

UPSC Prelims 2013 question on Recombinant DNA Technology

Recombinant DNA technology (Genetic Engineering) allows genes to be transferred:

1. Across different species of plants
2. From animals to plants
3. From microorganisms to higher organisms

Select the correct answer using the codes given below:

  1. 1 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3
Show answer

Answer: D. 1, 2 and 3

Analysis

Recombinant DNA technology enables the transfer of genes across different species and even across kingdoms. Genes can be transferred between plant species, from animals to plants, and from microorganisms to higher organisms to introduce desirable traits. This technology forms the basis of genetically modified organisms (GMOs). Therefore, all three statements are correct.

Extra UPSC info

Bt cotton is a well-known example where a bacterial gene from Bacillus thuringiensis is introduced into cotton plants for pest resistance.

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