Ads
related to: how does down syndrome affect adults body
Search results
Results From The WOW.Com Content Network
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.
Adults with Down syndrome often develop chronic health problems, such as severe sleep apnea, digestive disorders, thyroid conditions, and obesity. Many develop Alzheimer’s disease in middle age.
Mosaic Down syndrome: Only some cells in the person have an extra copy of chromosome 21. This genetic cause is considered rare. This genetic cause is considered rare.
Down syndrome is a genetic condition in which people are born with an extra copy of chromosome 21. This extra copy affects the development of the body and brain, causing a range of physical and mental impairments for the individual. Fragile X syndrome, most frequent among males, is thought to cause autism and intellectual disability.
The second, combined with a normal gamete from the other parent, gives rise to a typical child. The third leads to a translocation Down syndrome child. The last becomes a translocation carrier, like the parent. Translocation Down syndrome is often referred to as familial Down syndrome. It is the cause of about 4.5% of the observed Down ...
Down syndrome affects 400,000 people in the United States and more than 6 million globally. People with the condition inherit a third copy of chromosome 21, giving them an extra helping of a gene ...
It can affect one or more joints throughout the body. Hypermobile joints are common and occur in about 10 to 25% of the population, [ 3 ] but in a minority of people, pain and other symptoms are present.
In honor of Down Syndrome Awareness Month, which happens every October, we rounded up some informative facts about the chromosomal condition.
Ad
related to: how does down syndrome affect adults body