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Down was born in Torpoint, Cornwall, the youngest of seven children of the merchant Thomas Joseph Down. [1] His father was originally from Derry in Ireland, and his mother, Hannah Haydon, from North Devon. [2] His father was descended from an Irish family, his great-great grandfather having been the Protestant Bishop of Derry and Raphoe. [3]
Down Syndrome is a genetic disorder that was first described in 1866 by British doctor John L. Down. [2] It was discovered to be caused by an extra chromosome by French pediatrician Jérôme Lejeune in July 1958, less than two years before Tricia was born. [3] Medical advice in 1960 was typically to institutionalize children with Down Syndrome.
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.
But through education, support groups and the right team of health care providers, a child with Down syndrome can go on to succeed, achieve and lead a happy life. Related video: This article was ...
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 ...
March 21 (3/21) is World Down Syndrome Day, chosen because people with Down Syndrome have three copies of the 21st chromosome instead of the usual two. "Gabe lives his life to the fullest," Nick ...
Rex Brinkworth MBE (25 July 1929 – 29 October 1998) was the founder of the UK Down's Syndrome Association. He was a pioneer of early treatment for babies with Down syndrome through stimulation and diet. He collaborated on this with Jerome Lejeune, the French geneticist who discovered that Down syndrome is caused by an extra chromosome 21. He ...
Living among a small band of Neanderthals in what is now eastern Spain was a child, perhaps 6 years old, with Down syndrome, as shown in a remarkable fossil preserving traits in the inner ear ...