'Microsatellite DNA' is used in the case of which one of the following?

'Microsatellite DNA' is used in the case of which one of the following?
  1. Studying the evolutionary relationships among various species of fauna
  2. Stimulating 'stem cells' to transform into diverse functional tissues
  3. Promoting clonal propagation of horticultural plants
  4. Assessing the efficacy of drugs by conducting series of drug trials in a population

Solution

Per the official UPSC key, the answer is C. Microsatellites/STRs are widely used for phylogenetic and population studies — option A is the textbook answer; most coaching keys marked A. UPSC officially marked C.

Asked in: UPSC Prelims 2023

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