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Bookmark or Share- Down syndrome - WikipediaDown syndrome (United States) or Down's syndrome (United Kingdom and other English-speaking nations), 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.
- About Down Syndrome | National Down Syndrome Society (NDSS)In every cell in the human body there is a nucleus, where genetic material is stored in genes. Genes carry the codes responsible for all of our inherited traits and are grouped along rod-like structures called chromosomes. Typically, the nucleus of each cell contains 23 pairs of chromosomes, half of which are inherited from each parent. Down syndrome occurs when an individual has a full or ...
- NFL Week 12 Optimal FLEX Plays: Josh Downs will continue to thrive with ...Josh Downs, Courtland Sutton and Ladd McConkey should be in your lineups as you make a push for the fantasy playoffs.
- Down Syndrome | Birth Defects | CDCTypes. There are three types of Down syndrome. The physical features and behaviors are similar for all three types. Trisomy 21. With Trisomy 21, each cell in the body has three separate copies of chromosome 21.
- Down syndrome - Symptoms and causes - Mayo ClinicDown syndrome is a genetic condition caused when an unusual cell division results in an extra full or partial copy of chromosome 21. This extra genetic material causes the developmental changes and physical features of Down syndrome.
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