Down Syndrome By Nicolas Comito 10L3

Sections 1: Frequency of disease, Is the disorder more common in a particular community and Sympotms: Down Syndrome is the most frequent chromosomal disorder that causes mild to moderate disabilities. Older women around (38-40) are more likely to give birth to a baby that has DownSyndrome compared to a women that is around the age of 24-38 that is much less likely to have a baby with DownSyndrome. DownSyndrome is found in a community in America most people in America have DownSyndrome. In America 2002 about 1 out of every 1000 children and teenagers live with DownSyndrome. In 2008 it rose to 1 out of every 1200 people had DownSyndrome this meant that 250700 children had DownSyndrome. Symptoms of DownSyndrome is physically they have decreased muscle tone, short necks with excess skin, flattered facial features and profiles, small nose, head ears and mouth and they usually have white spots in the coloured part (iris) of the eye.

Problems and symptoms of depression DownSyndrome

Section 2: Genetics of the disorder and is the disease known in a particular location: DownSyndrome is most commonly found in America, around average of 367 069 people in America have DownSyndrome. The genetics behind the disease of DownSyndrome, DownSyndrome is passed down through the parents, each parent gives half of his/her chromosomes to the child. A parent that have a child that has DownSyndrome is passed from a parent that already has some type of syndrome or disease. There are many types of syndromes related to DownSyndrome, about 95% of people with DownSyndrome have trisomy 21 which means each cell in the body has 3 seperate copies of chromosome 21 instead of the usual 2 copies. Translocation DownSyndrome is about 3% of people who have this this occurs when an extra part or a whole extra chromosome 21 is present but is attached to a different chromosome rather than being seperate. DownSyndrome is neither dominate or rssesive this occurs when the creation of sperm or egg cells (meiosis) does not occur properly.

There is a 50% chance of inheritance

Section 3 Testing, Prognosis and Aids/Treatment: Tests that can be done to determine if DownSyndrome is present in someone's body is a screening test can indicate the likelihood of a mother to be carrying a baby with Down syndrome. Another test that can be done is a diagnostic test which can identify also if the mother is carrying a baby with DownSyndrome even before it's born. People with DownSyndrome have the average life span of 60 years but some DownSyndrome people rarely make it to 80 but there life span is shorter than the average human person. The quality of life if you have DownSyndrome is much the same but then need special treatment and help along their life. Treatment that can help assist DownSyndrome people is self care which is like physical exercise, special education like learning with a prac teacher speech therapy and support groups.

Chromosome 21 has 3 chromosomes instead on 2. That's why DownSyndrome is also called Trisomy 21.

Bibliography

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[Photo]. Retrieved from https://commons.m.wikimedia.org/wiki/File:Autosomal_Dominant_Pedigree_Chart.svg

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Gisclard, S., Sallerin, B., & Université Paul Sabatier (Toulouse),, Université Paul Sabatier (Toulouse). (2002). Trisomie 21. S.l.: s.n.

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Top 8 Countries for Downsyndrome. (2015). Retrieved from https://www.doctorsolve.com/blog/2009/12/top-8-countries-for-down-syndrome.html

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Nicolas Comito
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