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CHROMOSOMAL BREAKAGE [1 record]
Record 1 - internal organization data 2003-04-30
Record 1, English
Record 1, Subject field(s)
- Cytology
- Biotechnology
Record 1, Main entry term, English
- chromosome break
1, record 1, English, chromosome%20break
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- chromosomal break 2, record 1, English, chromosomal%20break
correct
- chromosomal breakage 3, record 1, English, chromosomal%20breakage
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Any discontinuity in chromosome structure occurring across the entire cross-section of the chromosome; chromosome breaks are either of spontaneous occurrence or are produced by the action of mutagens. They are recognizable during nuclear division (mitosis, meiosis) and lead to the formation of centric and acentric fragments. 2, record 1, English, - chromosome%20break
Record number: 1, Textual support number: 1 OBS
Discontinuities which involve only one of the two chromatids or subunits of the chromatids are referred to as chromatid and subchromatid breaks. 2, record 1, English, - chromosome%20break
Record 1, French
Record 1, Domaine(s)
- Cytologie
- Biotechnologie
Record 1, Main entry term, French
- cassure chromosomique
1, record 1, French, cassure%20chromosomique
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- fracture chromosomique 1, record 1, French, fracture%20chromosomique
correct, feminine noun
- rupture chromosomique 1, record 1, French, rupture%20chromosomique
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Les aberrations de structure sont la conséquence de cassures chromosomiques. Une cassure unique provoque la perte d'un fragment chromosomique : il y a délétion. Un cassure double sur un même chromosome peut entraîner la formation d'un chromosome en anneau qui résulte d'une cassure à chaque extrémité du chromosome suivie par la soudure des deux surfaces de section; ce chromosome en anneau équivaut à une double délétion. Si la cassure double intéresse deux chromosomes différents, les fragments rompus peuvent se recoller après échange réciproque et reconstituer des structures nouvelles : c'est une translocation. 1, record 1, French, - cassure%20chromosomique
Record 1, Key term(s)
- division du chromosome
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Citología
- Biotecnología
Record 1, Main entry term, Spanish
- división del cromosoma
1, record 1, Spanish, divisi%C3%B3n%20del%20cromosoma
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
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