Biology: Introduction to Genetics & DNA (PowerPoint Lesson)

This introductory Genetics PowerPoint helps students understand what genetic material is, where it is found, and why it is important. The lesson clearly explains DNA, genes, chromosomes, and the genome, and introduces key processes such as mitosis and DNA replication in a student-friendly way.

🔬 This lesson includes:

• WALT, learning objectives, and success criteria
  
• Location and role of genetic material in cells
  
• Definitions of DNA, gene, chromosome, genome
  
• Structure of DNA (double helix, base pairing A–T and C–G)
  
• Traits and how genes determine characteristics
  
• Importance of DNA condensation into chromosomes
  
• Introduction to mitosis and cell division
  
• Overview of DNA replication (helicase, DNA polymerase)
  
• Scientists involved in the discovery of DNA
  (Watson, Crick, Franklin, Wilkins, Miescher)
  
• Student questions, discussion prompts, and project ideas
  

Perfect for:
✔ KS3
✔ Introduction to genetics
✔ Lesson delivery, revision, or project-based learning