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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 ...
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.
Mom fights for boy with Down syndrome to be included in ad campaign after he's overlooked Mom captures moment 2-month-old says 'hello' on video Baby's Harry Potter photo shoot is the most ...
The Michigan-based mom, 23, recently found out she has Mosaic Down syndrome, a condition in which a person has some cells with extra chromosomes and some cells with the typical number.
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Mom Pens Open Letter After Down Syndrome Son Excluded Fom Birthday Party. After her son was the only member of his class not to be invited to a birthday party, Jennifer Kiss-Engele took to ...
March 21 (3/21) is World Down Syndrome Day, chosen because people with Down Syndrome have three copies of the 21st chromosome instead of the usual two. "Gabe lives his life to the fullest," Nick ...
An anaphase lag of a chromosome 21 in a Down syndrome embryo leads to a fraction of euploid cells (2n cells), phenomenon described as "aneuploidy rescue". There is considerable variability in the fraction of cells with trisomy 21, both as a whole and tissue-by-tissue. This is the cause of 1–2% of the observed Down syndromes. [4]