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Down syndrome or Down's syndrome, 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. [1] [12] There are three types of Down syndrome, the ...
Down syndrome research. Research of Down syndrome-related genes is based on studying the genes located on chromosome 21. In general, this leads to an overexpression of the genes. [1] [2] Understanding the genes involved may help to target medical treatment to individuals with Down syndrome. It is estimated that chromosome 21 contains 200 to 250 ...
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. At the same time, they enjoy a rich social and emotional awareness. Down syndrome is the most common chromosome abnormality in humans, occurring in about one per 1000 babies born each year.
Warner Bros.’ "Furiosa" edged out Sony’s "The Garfield Movie" with just $32 million domestically to take the top spot for the four-day weekend, according to estimates from Comscore. Final ...
Problem resolution drags down customer satisfaction: Although fewer problems were noted in this year’s report, they were more complicated, resulting in problem resolution satisfaction to drop ...
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 ...
Pollyanna principle. The Pollyanna principle (also called Pollyannaism or positivity bias) is the tendency for people to remember pleasant items more accurately than unpleasant ones. [1] Research indicates that at the subconscious level, the mind tends to focus on the optimistic; while at the conscious level, it tends to focus on the negative.
José Luis Osvaldo Lira Pérez SS.CC. (February 11, 1904, in Santiago, Chile – December 20, 1996, in Santiago) was a Chilean priest, philosopher and theologian who wrote more than 10 books on topics related to the philosophy of St. Thomas Aquinas, as well as Ortega y Gasset and Juan Vázquez de Mella.