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After scientists in France discovered that people with Down syndrome had 47 chromosomes instead of the normal 46, she decided to investigate the cause of the extra chromosome. Cytogenetics , the study of chromosomes in cells, focuses on the identification and behavior of chromosomes, and Dr. Uchida was the first scientist to bring this ...
Educating Peter is a 1992 American short documentary film directed by Gerardine Wurzburg about Peter Gwazdauskas, a special needs student with Down syndrome, and his inclusion in a standard third grade classroom in Blacksburg, Virginia. It won an Oscar at the 65th Academy Awards in 1993 for Documentary Short Subject. [1] [2]
Down syndrome or Down's syndrome, [12] 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.
'I got accepted?' In case you haven't heard, Rion Holcombe, 20, is going to college! Rion Holcombe was accepted into a special needs program at Clemson University in South Carolina, and his mom ...
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. [3] At the same time, they enjoy a rich social and emotional awareness. [4] Down syndrome is the most common chromosome abnormality in humans, [3] occurring in about one per 1000 babies born each ...
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 genes. [3]
The Ts1Cje mouse model of Down Syndrome was developed at the University of California, San Francisco in 1997. This model has a partial triplication of MMU 16 that is smaller than the triplicated region in the Ts65Dn model. Ts1Cje triplication contains what has been identified as the Down Syndrome Critical Region, a region involved in all forms ...
Down used this reasoning to argue against a tendency he perceived in his day to regard different races as separate species. Down was an advocate for higher education for women and disagreed with the notion that it would make the women liable to produce "feeble-minded" children. [9] He also believed women should be allowed to join the workforce.