Aberrations are significant structural alterations that result from chromosomal breakage caused by radiation.
Changes in chromosome number (gains and losses) and structural changes are examples of chromosome aberrations (deletions, inversions, and exchanges). Many of these aberration types can be seen when looking at chromosomes using a regular light microscope.
A chromosomal aberration is a section of chromosomal DNA that is absent, extra, or crooked. Atypical chromosomal numbers or structural abnormalities in one or more chromosomes may be the cause. There are four main categories of chromosomal abnormalities: deletion (a), duplication (b), inversion (c), and translocation (d).
Chromosome abnormalities frequently result from one or more of the following: errors that occur as cells divide blundering, being exposed to things that lead to birth abnormalities (teratogens).
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