A Study On Down Syndrome Essay

1011 Words Nov 30th, 2015 5 Pages
. Down syndrome, also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. It is typically associated with physical growth delays, characteristic facial features, and mild to moderate intellectual disability. The average IQ of a young adult with Down syndrome is 50, equivalent to the mental age of an 8- or 9-year-old child, but this varies widely. Some children with Down syndrome are educated in typical school classes, while others require more specialized education. Support in financial and legal matters is often needed.
The genetic cause of Down syndrome—an extra copy of chromosome 21—was identified by French researchers in 1959. As adults, their mental abilities are typically similar to those of an 8- or 9-year-old. Individuals with Down syndrome are at increased risk for obesity as they age. Those with mosaic Down syndrome typically have IQ scores 10–30 points higher. As they age, people with Down syndrome typically perform less well compared to their same-age peers. Some after 30 years of age may lose their ability to speak. Commonly, individuals with Down syndrome have better language understanding than ability to speak. They typically do fairly well with social skills. While generally happy, symptoms of depression and anxiety may develop in early adulthood. In those who reach 60 years of age, 50–70% has the disease.
Vision problems occur in 38 to 80%. Ear infections often begin in the first year of life…

Related Documents