Background: Biodosimetry is the quantification of absorbed radiation dose using biological material obtained from an exposed individual. Radiation can cause different types of chromosomal aberrations, including stable aberrations like translocations and unstable ones like micronuclei, dicentric chromosomes (DC), acentric, and ring forms. Dicentric chromosome assay has become the "gold standard" for cytogenetic biodosimetry due to its reproducibility, specificity (low baseline rates), and sensitivity to low doses.
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