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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. (2009), Elementos de genética médica. Barcelona: Ed. Elsevier, 13ª Edición. (Revisión científica a cargo del Dr. Rafael Oliva Virgili).
    • Definition: Hospital Universitario Nuestra Señora de Valme (Sevilla). Cromosoma 21 en anillo. Recuperado el 23 de noviembre de 2013 http://www.spao.es/documentos/boletines/pdf-boletin-seccion-15-secciones-34358.pdf
    • Context: Instituto Químico Biológico. Cromosomas y enfermedades. Recuperado el 21 de noviembre de 2013, http://www.iqb.es/cromosomas/anomalias.htm
  • Images:
    • ring chromosome
      US National Library of Medicine, Genetics Home Reference: Your Guide to Understanding Genetic Conditions:
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