1. Essay should answer this question: Should patients who donated tissue samples for research retain ownership of the cell line or should they pass to the ownership of the researchers who patented them?   
2. Points of consideration: who owns cells and why ownership of cells or body products is complex and problematic? What are the advantages and disadvantages for commercialization of body products? Should all donors share in profit and how might that affect medical research?   
3. At least 1 academic source and 1 popular source.