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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 ...
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]
The U.S. dockworkers’ strike impacting major ports from Maine to Texas began Tuesday, posing a major threat to the supply chain that could impact Americans’ ability to get products including ...
39339100. Yo-Yo Boing! (1998) is a postmodern novel in English, Spanish, and Spanglish by Puerto Rican author Giannina Braschi. [1][2] The cross-genre work is a structural hybrid of poetry, political philosophy, musical, manifesto, treatise, memoir, and drama. [3] The work addresses tensions between Anglo-American and Hispanic-American cultures ...
In the heyday of TV's boys club, Holly Hallstrom decided to stand up to America's most popular game-show host. The Price is Right/ Internet Archive
BF353.5.N37 L68 2008. Last Child in the Woods: Saving Our Children From Nature-Deficit Disorder is a 2005 book by author Richard Louv that documents decreased exposure of children to nature in American society and how this "nature-deficit disorder" harms children and society. The author also suggests solutions to the problems he describes.