Mutagenesis Lab Procedure 1. Clean your hands and work area. • Clean your hands with hand sanitizer • Put all the food away 2. Acquire a Petri dish from your instructor and label it using a waterproof marker. • Write your name in small letters around the outside edge of the bottom of the dish. • Draw lines on the bottom of the dish to divide it into 3 parts. • Label one area “control”. What is a control and why do you need i...