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Results 1 - 10 of 20 for Ring chromosome 21
  1. Chromosome 21 
    ... partial monosomy 21) and a circular structure called ring chromosome 21. A ring chromosome occurs when a chromosome breaks in two places and the ends of the chromosome arms fuse together to form a circular structure. ... material between chromosome 21 and other chromosomes have been associated with several ...
    https://medlineplus.gov/genetics/chromosome/21 - Genetics
  2. Chromosome 12 
    ... reported cases. Am J Med Genet. 1999 May 21;84(2):111-5. Citation on PubMed ... by mosaicism for a supernumerary ring chromosome 12p. Am J Med Genet A. 2009 Mar; ...
    https://medlineplus.gov/genetics/chromosome/12 - Genetics
  3. Chromosome 14 
    ... characterizes multiple myeloma. More About This Health Condition Ring chromosome 14 syndrome is caused by a chromosomal abnormality known as a ring chromosome 14 or r(14). A ring chromosome is ...
    https://medlineplus.gov/genetics/chromosome/14 - Genetics
  4. Chromosome 22 
    ... the long (q) arm of chromosome 22. A ring chromosome 22 can also cause 22q13.3 deletion syndrome. A ring chromosome is a circular structure that occurs when a ...
    https://medlineplus.gov/genetics/chromosome/22 - Genetics
  5. Chromosome 2 
    ... Another chromosome 2 abnormality is known as a ring chromosome 2. A ring chromosome is formed when breaks occur at both ends ... many and which types of cells contain the ring chromosome 2.Other changes involving the number or structure ...
    https://medlineplus.gov/genetics/chromosome/2 - Genetics
  6. Chromosome 17 
    ... circular, the extra chromosomes are known as supernumerary ring chromosomes. This mutation is acquired during a person's ... monosomy 17), and a circular structure called a ring chromosome 17. Ring chromosomes occur when a chromosome breaks ...
    https://medlineplus.gov/genetics/chromosome/17 - Genetics
  7. Chromosome 6 
    ... in each cell, or a circular structure called ring chromosome 6. Ring chromosomes occur when a chromosome breaks in two places ... Y, Frnka C, Savary JB. Prenatal diagnosis of ring chromosome 6 in a fetus with cerebellar hypoplasia and ...
    https://medlineplus.gov/genetics/chromosome/6 - Genetics
  8. Chromosome 7 
    ... part of chromosome 7. A circular structure called ring chromosome 7 is also possible. Ring chromosomes occur when a chromosome breaks in two places ... WM, Eleveld MJ, Poot M, Beemer FA. Supernumerary ring chromosome 7 mosaicism: case report, investigation of the gene ...
    https://medlineplus.gov/genetics/chromosome/7 - Genetics
  9. Wolf-Hirschhorn syndrome 
    ... their family. An unusual chromosomal abnormality called a ring chromosome can also cause Wolf-Hirschhorn syndrome. Ring chromosomes occur when a chromosome breaks in two places ...
    https://medlineplus.gov/genetics/condition/wolf-hirschhorn-syndrome - Genetics
  10. Chromosome 1 
    ... 1p or 1q), or a circular structure called ring chromosome 1. Ring chromosomes occur when a chromosome breaks in two places ... N Engl J Med. 2005 Nov 24;353(21):2243-53. doi: 10.1056/NEJMoa052399. Citation on ...
    https://medlineplus.gov/genetics/chromosome/1 - Genetics
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