How can we celebrate the diversity and individuality of people with Down syndrome?

This extra genetic material causes the physical features and developmental delays in people with Down syndrome. The features are no different if the extra ... Sometimes the extra number 21 chromosome or part of it is attached to another chromosome in the egg or sperm. This may cause translocation Down syndrome. This ... Down Syndrome (DS) refers to a genetic condition that is caused by an extra chromosome in the DNA chain on chromosome 21, referred to as Trisomy 21, ... This work underlines a Pcp4-dependent ciliopathy in Down syndrome brain affecting cerebrospinal fluid flow. Down syndrome is caused by an extra chromosome, but experts are not certain why this occurs or what factors may play a role. One factor experts do know about is ... In 95% of cases there is the presence of an extra chromosome 21 in the cells, also lending the syndrome the name trisomy 21 (T21). The other causes are known as ... Though to varying degrees, adults with Down syndrome had consistently higher risk of death from four causes of death across all ages - influenza and pneumonia, ... Down syndrome happens when a person is born with an extra chromosome. Chromosomes determine how a baby's body forms and functions. · What causes Down syndrome? Research and analysis Close Health topics Global Burden of Disease (GBD) study Health by location Health policy and planning Data tools and practices What is Down syndrome? Down syndrome is caused by the presence of an extra chromosome number 21 in the cells of the developing baby.