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Down syndrome or Down's syndrome, [12] also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. [3] It is usually associated with developmental delays, mild to moderate intellectual disability, and characteristic physical features.
Lily breaks the mold of some people's concept of individuals with Down syndrome. She holds a job and is an important member of her community. She is able to live on her own and do everything a regular member of society can do. By inviting viewers into the details of her daily life, she proves that she is no different from anyone else.
The Ts1Cje mouse model of Down Syndrome was developed at the University of California, San Francisco in 1997. This model has a partial triplication of MMU 16 that is smaller than the triplicated region in the Ts65Dn model. Ts1Cje triplication contains what has been identified as the Down Syndrome Critical Region, a region involved in all forms ...
The average IQ of a young adult with Down syndrome is 50, equivalent to the mental age of an 8- or 9-year-old child, but this number varies widely. [3] At the same time, they enjoy a rich social and emotional awareness. [4] Down syndrome is the most common chromosome abnormality in humans, [3] occurring in about one per 1000 babies born each ...
Research of Down syndrome–related genes is based on studying the genes located on chromosome 21. In general, this leads to an overexpression of the genes. [1] [2] Understanding the genes involved may help to target medical treatment to individuals with Down syndrome. It is estimated that chromosome 21 contains 200 to 250 genes. [3]
Published in 1994, the book chronicles the friendship of Jason Kingsley and Mitchell Levitz. The book was edited in part by Jason Kingsley's mother, Emily Kingsley.The stories were based on 50 transcripts of conversations where the two express their ideas on various issues including friendship, marriage, sexual relationships, politics, jobs, finance and independence from their families.
A century after Down's death, his contributions to the field of medicine were celebrated at the Mansell Symposium in the Medical Society of London, and the Royal Society of Medicine published a biography about him. [11] The building at Normansfield is grade II* listed and is now known as the Langdon Down Centre. It accommodates the headquarters ...
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. [1]