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What is Down syndrome?

 

Down syndrome is caused by the presence of an extra chromosome in the body cells. John Langdon Down the doctor who first described it. Down syndrome is a genetic condition. Different countries use different names for Down syndrome. People with Down syndrome all have a certain degree of learning disability. It means that they are slower to learn new things than other people. The common features of Sown Syndrome are; A lower than average birth weight and shorter than average, Broad hands with short fingers, A small mouth and tongue look a bit too big, looser muscle an joints. The older woman is, the more likely she is to have a baby with Down syndrome.