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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 ...
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]
"Mama" is a song by the English rock band Genesis, released as the first single in 1983 from their self-titled album. It is recognisable for its harsh drum machine introduction composed by Mike Rutherford , which leads into minimalist synthesizer lines in a minor tonality and finally Phil Collins ' reverb -laden voice.
Spanish. El espíritu de mi mamá ("The Spirit of my Mother") is a Spanish language feature film by Ali Allie about Garifuna woman's journey home to Honduras to embrace her cultural roots. It premiered at SXSW in 1999 and later at Dawn Breakers International Film Festival. It was released on DVD in 2002 by Vanguard Cinema and was the first ...
The Les Humphries Singers was a pop vocal group formed in Hamburg, West Germany by English singer Les Humphries. [1] Active from 1969 until 1980, the group had several chart hits in Germany and in other European countries. The group, whose music drew heavily from gospel, country, folk, R&B and psychedelic influences, was notable for its large ...