Down syndrome meaning: Down syndrome is a chromosomal

Down syndrome is a chromosomal abnormality that occurs when a person has a part of or a full extra copy of chromosome 21. Learn symptoms, causes, and treatment. Down Syndrome Down syndrome Definition – It is a genetic disorder, which leads to various physical and mental disabilities. It is due to the presence of an extra chromosome 21 also known as trisomy of chromosome 21. Down syndrome is one of the leading causes of genetic disorders around the world. It is named after the physician Langdon Down, who first observed this condition. Other than physical attributes and mental retardedness, they are also susceptible to various diseases like ... Down syndrome (or Trisomy 21) is a natural occurrence that affects 1 in 800 babies. It causes intellectual disability and some health conditions, but people with Down syndrome are valued and equal members of the community. What Is Down Syndrome? Down syndrome is a genetic condition that causes mild to significant physical and developmental problems. People with Down syndrome (DS) are born with an extra chromosome.