Here are step-by-step, student friendly directions to help students prepare for a debate. When they are finished with the steps, they will have a full essay ready to present to the class. The assignment assumes that your students have already conducted research on cloning and annotated that research. For annotations, have them look through articles, annotating the margins with rebuttals and explanations of support.
If you purchase this, be sure to download the free PowerPoint on how to run the debate. It's titled Human Cloning Debate PowerPoint.