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Results 1 - 4 of 4 for trisomies
  1. Can changes in the number of chromosomes affect health and development?: MedlinePlus Genetics 
    ... called aneuploidy. A common form of aneuploidy is trisomy, or the presence of an extra chromosome in cells. "Tri-" is Greek for "three"; people with trisomy have three copies of a particular chromosome in ...
    https://medlineplus.gov/.../chromosomalconditions - Genetics
  2. What is noninvasive prenatal testing (NIPT) and what disorders can it screen for?: MedlinePlus Genetics 
    ... a chromosome. NIPT primarily looks for Down syndrome (trisomy 21, caused by an extra chromosome 21 ), trisomy 18 (caused by an extra chromosome 18 ), trisomy ...
    https://medlineplus.gov/genetics/understanding/testing/nipt - Genetics
  3. What are the different types of genetic tests?: MedlinePlus Genetics 
    ... an extra or missing copy of a chromosome (trisomy or monosomy, respectively), a large piece of a ...
    https://medlineplus.gov/genetics/understanding/testing/types - Genetics
  4. How are genetic screening tests different from genetic diagnostic tests?: MedlinePlus Genetics 
    ... an extra or missing copy of a chromosome (trisomy or monosomy, respectively) or abnormalities of large segments ...
    https://medlineplus.gov/.../understanding/testing/differenttests - Genetics