David Roberts,2 years old,at his swimming lesson which helped improve his ability to walk well. From the book David ,John Knox Press,Richmond,Virginia. David has Down Syndrome (DS) or Down's syndrome,also known as trisomy 21,a genetic disorder,associated with the presence of an extra chromosome 21,characterized by mild to severe mental impairment,weak muscle tone,shorter stature,and a flattened facial profile. Many children with Down syndrome who have received family support,enrichment therapies and tutoring can graduate from high school and some participate in post-secondary education as well. David is now in his late 40's and living in a home for mentally and physically challenged adults |