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Trisomy 21. Down syndrome (also known by the karyotype 47,XX,+21 for females and 47,XY,+21 for males) [98] is mostly caused by a failure of the 21st chromosome to separate during egg or sperm development, known as nondisjunction. [91] As a result, a sperm or egg cell is produced with an extra copy of chromosome 21; this cell thus has 24 ...
John Langdon Down. John Langdon Haydon Down (18 November 1828 – 7 October 1896) was a British physician best known for his description of the genetic condition now known as Down syndrome, which he originally classified in 1862. He is also noted for his work in social medicine and as a pioneer in the care of mentally disabled patients.
www.ndss.org. The National Down Syndrome Society (NDSS) is an American organization that offers support to people with Down syndrome, their families, friends, teachers, and coworkers, and educates the general public about Down syndrome. The mission of the NDSS is to be the leading human rights organization for all individuals with Down syndrome ...
Educating Peter. Educating Peter is a 1992 American short documentary film directed by Gerardine Wurzburg about Peter Gwazdauskas, a special needs student with Down syndrome, and his inclusion in a standard third grade classroom in Blacksburg, Virginia. It won an Oscar at the 65th Academy Awards in 1993 for Documentary Short Subject. [1][2]
Here are amazing individuals with Down syndrome who are breaking the barriers of disability stigmas. Edward Barbanell. A comedian who has been in hit productions such as Workaholics and The Ringer ...
Genetics of Down syndrome. Down syndrome is a chromosomal abnormality characterized by the presence of an extra copy of genetic material on chromosome 21, either in whole (trisomy 21) or part (such as due to translocations). The effects of the extra copy varies greatly from individual to individual, depending on the extent of the extra copy ...
Irene Ayako Uchida. Irene Ayako Uchida, OC (April 8, 1917 – July 30, 2013) was a Canadian scientist and Down syndrome researcher. [1] Born in Vancouver, she initially studied English literature at the University of British Columbia. As a child and teenager she played violin and piano, and was described as "outgoing" and "social."
Kathryn McGee. Kathryn "Kay" McGee (née Greene, May 6, 1920, in Chicago, Illinois – February 16, 2012 in River Forest, Illinois) was an American activist, recognized for founding two of the first organizations for the benefit of those with Down Syndrome. [1] She worked seeking recognition, rights and opportunities for people with Down Syndrome.