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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.
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 ...
This is a list of people with Down syndrome, a condition also known as Down's syndrome or trisomy 21. Down syndrome is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. [1] It is typically associated with developmental delays, characteristic physical features, and mild to moderate intellectual disability ...
World Down Syndrome Day (WDSD) is marked each year on March 21, [1] beginning in 2007. The 21st day of March (the 3rd month of the year) was selected to signify the uniqueness of the triplication (trisomy) of the 21st chromosome which causes Down syndrome. The General Assembly of the United Nations has decided to observe it each year since 2012 ...
9780190604981. Down Girl: The Logic of Misogyny is a book by Kate Manne, treating misogyny in the tradition of analytic feminist philosophy. [1][2][3][4] The book won the Association of American Publishers 2019 PROSE Award in Philosophy [5] (as one category in the Humanities), as well as the overall 2019 PROSE Award for Excellence in Humanities.
Armonía Liropeya Etchepare Locino (7 October 1914 – 1 March 1994) was a Uruguayan feminist, pedagogue, novelist and short story writer. She was sometimes referred to as Armonía Etchepare de Henestrosa or, by her pseudonym, Armonía Somer (sometimes spelled Armonía Sommers ). A member of the literary movement Generación del 45, Somers ...
Kunsthalle Tübingen, Tübingen. Just what is it that makes today's homes so different, so appealing? is a collage by English artist Richard Hamilton. [1][2] It measures 10.25 in (260 mm) × 9.75 in (248 mm). [3] The work is now in the collection of the Kunsthalle Tübingen, Tübingen, Germany. It was the first work of pop art to achieve iconic ...