Down Syndrom

1638 Words Feb 22nd, 2011 7 Pages
Sharjah American International School

Biology

Done By:

16-02-2010

Outline:
Abstract
a) Down syndrome b) Interesting topic c) Understanding why down syndrome occurs Introduction a) Who discovered Down syndrome b) What is Down syndrome
Body research A. What Causes it and is it inherited?

1-Trisomy 21
2-Mosaic Down syndrome
3-Translocation Down syndrome

B. How Down syndrome affects Kids
1-Physical features
2-Learning

C. Risk factors
1-Advancing maternal age
2- Being carriers of the genetic translocation for Down syndrome
3-Having had one child with Down syndrome

D. Health Issues
1- Health complications
2-Average life expectancy

E. Can Down syndrome be cured?
…show more content…
Translocation Down syndrome is the only form of the disorder that can be passed from parent to child. However, only about 4 percent of children with Down syndrome have translocation. And only about half of these cases are inherited from one of the parents.
How Down syndrome affects Kids
Kids with Down syndrome tend to share certain physical features such as a flat facial profile, an upward slant to the eyes, small ears, and a protruding tongue.
Low muscle tone (called hypotonia) is also characteristic of children with DS, and babies in particular may seem especially "floppy." Though this can and often does improve over time, most children with DS typically reach developmental milestones — like sitting up, crawling, and walking — later than other kids.
At birth, kids with DS are usually of average size, but they tend to grow at a slower rate and remain smaller than their peers. For infants, low muscle tone may contribute to sucking and feeding problems, as well as constipation and other digestive issues. Toddlers and older kids may have delays in speech and self-care skills like feeding, dressing, and toilet teaching.
Down syndrome affects kids' ability to learn in different ways, but most have mild to moderate intellectual impairment. Kids with DS can and do learn, and are capable of developing skills throughout their lives. They simply reach goals at a different pace — which is why it's important not to compare a child with DS against typically developing siblings

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