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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.
Children with Down syndrome or developmental coordination disorder are late to reach major motor skills milestones like sucking, grasping, rolling, sitting up and walking, talking. Children with Down syndrome sometimes have heart problems, frequent ear infections , hypotonia , or undeveloped muscle mass.
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 ...
Kayla Kosmalski, 18, made history last week when she became the first contestant with Down syndrome to compete in Miss Teen USA. “I want to show the world that people with Down syndrome can do ...
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]
According to the Centers for Disease Control and Prevention, Down syndrome is the “most common chromosomal condition” diagnosed in the U.S. today. About 6,000 babies are born across the ...
DOOR syndrome; Dopamine dysregulation syndrome; Down syndrome; Dravet syndrome; Dressler syndrome; Drug reaction with eosinophilia and systemic symptoms; Dry eye syndrome; Duane syndrome; Duane-radial ray syndrome; Dubin–Johnson syndrome; Dubowitz syndrome; Dumping syndrome; Dysexecutive syndrome; Dyskeratosis congenita; Dysplastic nevus syndrome
The teen from Brisbane Australia has Down syndrome and she She might just get one now that her story has gone wildly viral on Facebook this week. Photos of aspiring teen model with Down syndrome ...