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  • Institution/s: Universidad de Alicante, Universidad de Saarbrücken, Universidad de Valladolid, Universitatea de Vest din Timişoara
  • Project: Diccionario Terminológico de Genética (Eurogene)
  • Identification number: 106
  • Subdomains: Studies of chromatin, Studies of DNA, Studies of RNA, Techniques
  • Author/s: Diana MOŢOC, Eva HERNÁNDEZ SORIANO, Rosario HERRERO, Verónica ARNÁIZ UZQUIZA
  • Creation / modification date: 01-02-2014
  • Term: ring chromosome
  • Gramatical category: s
  • Definition: Indicator that signals there have been deletions at both ends of a chromosome and that the deleted ends, which are more ‘sticky’, have adhered to each other to form a ring.
  • Context: In patients with ring chromosomes, sister chromatid exchanges occurring during mitosis usually result in secondary chromosomal abnormalities, such as dicentric rings, interlocked rings, and other structural conformations.
  • Weighting mark: nor
  • Sources:
    • Term: EMERY, A.E.H. y MUELLER, R.F. (1992) Elements of Medical Genetics, Churchill Livingstone: New York. 8th Edition (p. 129).
    • Definition: EMERY, A.E.H. y MUELLER, R.F. (1992) Elements of Medical Genetics, Churchill Livingstone: New York. 8th Edition (p. 129).
    • Context: GUILHERME, R.S., AYRES MELONI, V.F., KIM, C.A.; PELLEGRINO, R., TAKENO, S.S., SPINNER, N.B., CONLIN, L.K., CHRISTOFOLINI, D.M., KULIKOWSKI, L.D. and MELARAGNO, M. (2011) “Mechanisms of ring chromosome formation, ring instability and clinical consequences”, BMC Medical Genetics, 12 (p. 171).
  • Images:
    • ring chromosome
      US National Library of Medicine, Genetics Home Reference: Your Guide to Understanding Genetic Conditions:
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