"Mate" a sperm and egg containing selected genes. Then have your students produce Drosophila with dozens of different traits. Demonstrate the steps of Mitosis by dividing chromosomes for the class. (26 exciting hands-on demonstrations) Comes complete with 30 in. x 40 in. Demonstration Board, Mounting Legs, Teacher's Guide with detailed lesson plans plus reproducible student worksheets. Grades 6-12.