Down Syndrome

To Professor John, ***Topic (Down Syndrome) and questions are chosen already. A) Describe the disease and who discovered it. C) Which population does the disease primarily affect (children, gender, race) and if known why is that population mainly affected or predisposed to this disease? 5 powerpoint slides focusing on only questions A and C. 2 sources from http://www.ncbi.nlm.nih.gov/pubmed. 1 source from list in the file attached with instructions.