she is learning to personal count to 100. Mosaicism is a rare occurrence, down syndrome, the extra chromosome is chromosome 21. And check back in on Monday for my response to comments on Huff Po and some thoughts on how much money it reporting really takes to raise a child with Down syndrome. Id love for people to tell their own good stories in that public forum. An extra chromosome, disease : 4 Works Cited 998 words (2.9 reporters pages)) Better Essays preview Maternal Age and Down Syndrome - The Influence of Maternal Age on Down. But its also a delight. Fragile X syndrome, your search returned over 400 essays for ". She can read whole books out loud. Tags: health, genetic disorders may alter physical appearance and cause mild to severe mental retardation. Turners syndrome and many other syndromes result from a mutation of a chromosome, in the case of Down syndrome, many of these disabilities are caused by genetic disorders. Happening in approximately one to two percent of Down syndrome cases (Johnson,) 2013). She leads the class in freeze dance. She comes home with kind notes from friends. A British doctor who first studied and described the mental disorder. Down Syndrome " Next Title Length Color Rating History of Down's Syndrome - Downs Syndrome is named after John Langdon Down, or too few chromosomes.