Edvotek Whose Dna Was Left Behind? 
suitable for KS3+. DNA obtained from a single hair left behind at a crime scene can be used to identify a criminal. In this experiment, students will compare simulated crime scene DNA with that of two suspects. For 10 Lab Groups Complete in 45 minutes Kit includes: instructions, Ready-to-Load dye sample, agarose powder, practice gel loading solution, electro- phoresis buffer, microtipped transfer pipettes. You need: electrophoresis tank and power supply.