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Results 1 - 10 of 19 for Mosaic trisomy 21
  1. What Causes Down Syndrome? From the National Institutes of Health (Eunice Kennedy Shriver National Institute of Child Health and Human Development)  
    Down Syndrome/Related Issues ... Down Syndrome ... Down syndrome is caused by a random error in cell division that results in the presence of an extra copy of chromosome ...
    https://www.nichd.nih.gov/health/topics/down/conditioninfo/causes - External Health Links
  2. Down syndrome 
    ... cells. In these people, the condition is called mosaic Down syndrome. Researchers believe that having extra copies of genes ... 21, which causes Down syndrome.Like trisomy 21, mosaic Down syndrome is not inherited. It occurs as a random ...
    https://medlineplus.gov/genetics/condition/down-syndrome - Genetics
  3. About Down Syndrome From the National Institutes of Health (National Human Genome Research Institute)  
    Down Syndrome/Genetics ... Down Syndrome ... National Human Genome Research Institute ... From the National Institutes of Health ... Down syndrome is a chromosomal condition ...
    https://www.genome.gov/Genetic-Disorders/Down-Syndrome - External Health Links
  4. About Down Syndrome (National Down Syndrome Society)  
    Down Syndrome/Start Here ... Down Syndrome ... National Down Syndrome Society ... In every cell in the human body there is a nucleus, where genetic material is stored ...
    https://ndss.org/about - External Health Links
  5. Mosaicism 
    ... of the unborn baby. Examples of mosaicism include: Mosaic Down syndrome Mosaic Klinefelter syndrome Mosaic Turner syndrome Mosaic neurofibromatosis
    https://medlineplus.gov/ency/article/001317.htm - Medical Encyclopedia
  6. Chromosome 21 
    ... cells. In these people, the condition is called mosaic Down syndrome.Researchers believe that having extra copies of genes ...
    https://medlineplus.gov/genetics/chromosome/21 - Genetics
  7. Down Syndrome Tests: MedlinePlus Medical Test 
    ... in some, but not all of their cells (mosaic Down syndrome) The extra chromosome affects the way a baby's ...
    https://medlineplus.gov/lab-tests/down-syndrome-tests - Medical Tests
  8. Trisomy 18 
    ... Screening (BUN) Study Group. First-trimester screening for trisomies 21 and 18. N Engl J Med. 2003 Oct 9;349(15):1405-13. doi: 10.1056/NEJMoa025273. Citation on PubMed ... of fetal trisomy 18 through abnormal sonographic features. J Ultrasound Med. ...
    https://medlineplus.gov/genetics/condition/trisomy-18 - Genetics
  9. Can changes in the number of chromosomes affect health and development?: MedlinePlus Genetics 
    ... normal two copies. Down syndrome (also known as trisomy 21) is an example of a condition caused by trisomy . People with Down syndrome typically have three copies of chromosome 21 in ...
    https://medlineplus.gov/.../chromosomalconditions - Genetics
  10. Developmental Disabilities (National Library of Medicine)  
    ... both physical and mental abilities. This could include Down syndrome. These conditions can cause lifelong challenges in learning. ... or chromosome abnormalities. These cause conditions such as Down syndrome, Fragile-X-Syndrome, and Rett syndrome. Use of ...
    https://medlineplus.gov/developmentaldisabilities.html - Health Topics
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