Yr14 DNA Technoloy 2025

Gene Technology Overview

Polymerase Chain Reaction (PCR)

• Definition: A technique for DNA amplification.

• Process:

  • Heating: Separates DNA strands.

  • Cooling: Allows DNA primers to anneal to target sequences.

  • Extension: Heat-stable DNA polymerase extends primers.

• Uses: Forensic analysis, genetic screening, and research.

DNA Probes

• Definition: Short strands of DNA that bind to specific nucleic acid sequences.

• Types: Can be fluorescent for easy identification