For High School Teachers
  From DNA to Organism: A Study in DNA Function for the High School Biology Classroom

Module 2: DNA and genes

Teacher suggestions for Module 2: DNA staining


  • 1 period (with 30 minutes waiting time) + 10 minutes the next day to get data

     What you need to set up

  • Staining trays
  • Methylene blue DNA stain
  • Water to rinse stain off with (tap?)

     What the students need

  • Their gels from the previous step
  • staining tray per group
  • Access to DNA stain and water
  • Spatula to be able to move gels

           5– 10 minutes to explain what needs to be done.


           45– 50 minutes to get gels out of rigs, fill trays, place gels in trays and then             move them to water tray.


           Next day checking gels and getting data.