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  1. down syndrome is a genetic anomoly that occurs in 1 out of 800 live births...age, though studies have shown that the risks increase with age. down syndrome is caused by an excess 21st chromosome. and affects all...

    6 Answers · Pregnancy & Parenting · 21/08/2007

  2. down syndrome is a random genetic anomaly that happens in 1 out of 730 live ...increase. However, the most women having children with down syndrome are under 35 yrs old simply because they are the largest...

    7 Answers · Education & Reference · 28/10/2008

  3. Down Syndrome which is also medically called trisomy 21 is... at greater risk of bearing a child with Down syndrome than younger women. One in 1500 ...

    9 Answers · Health · 24/03/2007

  4. Down syndrome, also known as Trisomy-21, is a genetic condition in which there...chromosome, as opposed to the normal 2 copies. A person with Down syndrome has 47 chromosomes in total instead of 46. No one ...

    5 Answers · Health · 01/03/2007

  5. Down Syndrome (not "down's syndrome" as posted by a previous person) is...an extra chromosome on the 21st pair (90% of the population with down syndrome have this type). with down syndrome comes certain ...

    4 Answers · Health · 06/09/2008

  6. Down syndrome is genetic, but not deadly...correct it early. People with Down syndrome tend to share certain physical ...into adopting a child with Down syndrome...WE BELIEVE, ...

    10 Answers · Science & Mathematics · 01/11/2008

  7. What is Down syndrome? Down syndrome is a relatively common birth...abnormality? The chromosome abnormality that causes Down syndrome is trisomy 21, an extra copy of chromosome number...

    4 Answers · Health · 16/05/2007

  8. Down syndrome (also called Down's syndrome or trisomy 21; old... to one set of chromosomes. People with Down syndrome have an extra copy of chromosome 21, or part of it. They usually...

    1 Answers · Education & Reference · 02/03/2012

  9. ... Master Definition Down syndrome is the most common cause of mental retardation.... The extra chromosome in Down syndrome is labeled number 21...

    6 Answers · Health · 13/04/2008

  10. Down syndrome is a chromosomal disorder caused by the presence of all or part of an extra...as a chromosome 21 trisomy by Jérôme Lejeune in 1959. Often Down syndrome is associated with some impairment of cognitive ability and physical growth...

    2 Answers · Education & Reference · 07/05/2008

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