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They have an extra chromosome 21.
People with down syndrome have cells with an extra chromosome 21.
47There are 47 chromosomes in someone with Down syndrome; the 21st pair has an extra chromosome. Most people have 46 chromosomes. Down syndrome is also known as "Trisomy 21" - a reference to the fact that someone with Down syndrome has 3 pairs of chromosomes on their 21st pair.
Yes, a girl with Down syndrome can have a boyfriend, and many do. People with Down syndrome have the same relationship needs as people without Down syndrome.
No, Down syndrome is not contagious. It is a genetic/chromosomal difference - some may equate it to a birth defect, others to a birth enhancement
Down syndrome is the correct term. People who are using "Downs" are speaking incorrectly. Down syndrome used to be called Down's syndrome, but since John Langdon Down did not have nor "invent" this chromosomal abnormality, the correct name is Down syndrome. Countries such as the UK, still use the term Down's syndrome, but shortening it to Down's is not using people first language, therefore, it is incorrect.
Yes, people with Downs Syndrome can get depressed.
people with down syndrome are often riddled with vision impairments...
Sierra Kyla and Justin have down syndrome
People with Down Syndrome CAN have a driver's license. Many people who live with Down Syndrome have a driver's license, and are perfectly fine drivers. Down Syndrome is not a disease, and people do not "suffer" from Down Syndrome. Down Syndrome does not prevent anybody from safely driving, going to college, owning a house, being married, having children, operating a business, or anything else.
Nationally, there are currently approximately 400,000 people with Down syndrome. Unfortunately, though, there is no breakdown on numbers for each state of those with Down syndrome.
Down Syndrome is a genetic disorder that occurs as a result of an extra copy, or part thereof, of chromosome 21. The body systems that Down Syndrome affects may include the heart and lungs. Down Syndrome also affects physical development and intellectual disability.