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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 ...
Pablo Pineda. Pablo Pineda (born 5 August 1974) is a Spanish actor who received the Concha de Plata Award at the 2009 San Sebastián International Film Festival for his performance in the film Yo, también. [1] In the film, he plays the role of a university graduate with Down syndrome, which is quite similar to his real life.
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.
Jérôme Jean Louis Marie Lejeune (13 June 1926 – 3 April 1994) was a French pediatrician and geneticist, best known for his work on the link of diseases to chromosome abnormalities, most especially the link between Down Syndrome and trisomy-21 and cri du chat syndrome, amongst several others, and for his subsequent strong opposition to the improper and immoral use of amniocentesis prenatal ...
Paris syndrome. Paris syndrome (パリ症候群, Pari shōkōgun) is a cluster of psychiatric symptoms exhibited by some individuals when visiting Paris, that can be viewed as a severe form of culture shock. [1]
Reese Witherspoon was surrounded by her gal pals at the 2024 Emmy Awards! On Monday, Sept. 16, Witherspoon, 48, shared an Instagram carousel of herself hanging out with The Morning Show costar ...
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 ...
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 ...