What is the genetic basis of Down syndrome?

The most common form of Down syndrome is Trisomy 21, when there is an extra copy of the 21st chromosome. Instead of the typical 2 copies of the 21st chromosome, ... What is Down syndrome? Down syndrome (also known as Trisomy 21) is a condition in which a person has an extra chromosome. There is more information about ... Beyond supporting individuals with Down syndrome, DSAM is committed to raising awareness within our community. We strive to foster an environment where ... Down Syndrome Center of Western Pennsylvania · Provides specialty health care to children and adolescents that is specific to conditions related to Down ... We are the largest geographical cluster of Down syndrome researchers in the world. Comprised of over 50 Principal Investigators and countless more contributing ... Programs & Services by Age: Early Years (Birth - 5), School Age (5-12), Transition to Adulthood (16 - 22), Individuals with Down syndrome, Adult Matters & ... Trisomy 21, the presence of a supernumerary chromosome 21, results in a collection of clinical features commonly known as Down syndrome (DS). DS is among the ... Down's syndrome or Down syndrome? It is generally accepted that both Down's syndrome and Down syndrome can be used interchangeably. For us at the Down's ... Down syndrome occurs when an individual has a full or partial extra copy of chromosome 21. This additional genetic material alters the course of development. Nov 12, 2024 ... Down syndrome results from an unusual cell division involving chromosome 21. This unusual cell division results in an extra partial or full ...