2 Science and Technology · 2.6.5 Biotechnology

2.6.5.3 Genome editing: CRISPR-Cas9 and genome-edited crops

CRISPR-Cas9 uses a guide RNA to lead the Cas9 enzyme to a chosen DNA site and cut it, letting scientists switch genes off or correct them; India treats the simpler edits in plants as outside GM rules.

  • APPSC Group 1
  • Advanced level
  • 5 min read
  • Full course

Key terms

  • CRISPR
  • Cas9
  • guide RNA
  • Doudna
  • Charpentier
  • base editing
  • prime editing
  • SDN-1
  • SDN-2
  • genome-edited rice
  • TALEN
  • zinc finger

What this note covers

  1. Core factsFoundation
  2. ExplainedStandard
  3. DeeperAdvanced
  4. AP angleStandard
  5. Mains writingMains writing
  6. Common trapsFoundation
  7. Quick revisionFoundation

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