it is a chromosme disturbance. So it is an eredithary illnes. Check about the researches made in Spain, they are the most advanced now in this field.
2007-02-13 04:53:34
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answer #1
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answered by Vlado 4
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I have a 5 year old Downs boy. Downs is really a very common genetic disorder. It is trisomy 21 - This means on the 21st pair of chromosomes there is a triplet. It has different effects. Many have heart trouble (luckily mine didn't). The symptoms can range in effects from severe mental retardation to more mild symptoms(I think my son is fairly mild). They reflexed are a little slow. Their speech is also delayed. There is no treatment. Just special education, speech therapy, etc.
2007-02-13 04:54:03
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answer #2
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answered by Anonymous
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It is a chromosomal disorder. There may be an extra chromosome 21 or part of a chromosome. Externally, they have slanting eyes, small mouth with protruding tongue, flat nasal bridge. There may be a single transverse crease in the palm, a wide gap between the first and second toes. Internally, there may be a congenital heart defect, a defect or narrowing in any part of the gastrointestinal tract. They get frequent infections like pneumonia. There is an increased chance of leukemia (blood cancer). They are mentally retarded. They are trainable, or educable by special methods. They are pleasant and lovable. They may be fond of music. Their appearance can be altered with plastic surgery. They may need surgery if they have a defect in the gut or heart. They need to be taught in institutions for special children. Otherwise, there is not much treatment. The diagnosis is possible before birth, if parents want to opt for an abortion.
2007-02-13 05:09:59
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answer #3
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answered by yakkydoc 6
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the French physician, Jerome Lejeune, identified Down syndrome as a chromosomal anomaly when he observed 47 chromosomes present in each cell of individuals with Down syndrome instead of the usual 46. It was later determined that an extra partial or complete 21st chromosome results in the characteristics associated with Down syndrome.
Down syndrome occurs in one out of every 733 live births, and more than 350,000 people in the U.S. have this genetic condition. One of the most frequently occurring chromosomal abnormalities, Down syndrome affects people of all ages, races and economic levels. Today, individuals with Down syndrome are active participants in the educational, vocational, social and recreational aspects of our communities. In fact, there are more opportunities than ever before for individuals with Down syndrome to develop their abilities, discover their talents and realize their dreams. For example, more teens and adults with Down syndrome each year are graduating from high school, going to college, finding employment and living independently
2007-02-13 04:54:47
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answer #4
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answered by Anonymous
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