What are the common physical characteristics associated with Down syndrome?

Feb 23, 2024 ... People with Down syndrome are born with an extra chromosome. This can lead to a range of issues that affect them mentally and physically. 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, ... Mar 21, 2019 ... Get the facts on Down syndrome for World Down Syndrome Day. Learn about causes, types, and prenatal testing for informed decision-making. Down syndrome, caused by meiotic separation of chromosome 21 in humans, is associated with advanced maternal age, but defining and understanding other risk ... Down syndrome is caused by an extra chromosome 21. Down syndrome affects people differently. It causes learning difficulties and health problems. Apr 26, 2023 ... They found that having a third copy of the gene Dyrk1a and at least three other genes was responsible for changes in development that result in ... Down syndrome is caused by an extra chromosome, either a partial or full extra chromosome, on chromosome 21. The extra chromosome will affect how a baby's body ... The main cause of hospitalization was due to pneumonia in 50% of cases, followed by acute respiratory failure in 14%. Down's syndrome is when you're born with an extra chromosome. You usually get an extra chromosome by chance, because of a change in the sperm or egg before you ... Oct 7, 2021 ... The main causes of death were pneumonia/respiratory infections (20.5%), congenital malformations of the circulatory system (11.2%), other diseases of the ...