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UPSC PYQPrelims 2023

Civil Services Examination · Question 70

'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
Show answer & explanation

Answer: (A) Studying the evolutionary relationships among various species of fauna

Explanation

Microsatellites (short tandem repeats) are genetic markers used in population genetics and evolutionary/phylogenetic studies.