Sister Chromatid Exchange
| Medical Definition: |
An exchange of segments between the sister chromatids of a chromosome, either between the sister chromatids of a meiotic tetrad or between the sister chromatids of a duplicated somatic chromosome. Its frequency is increased by ultraviolet and ionizing radiation and other mutagenic agents and is particularly high in BLOOM SYNDROME. |
| Previously Indexed: |
Chromatids (1968-1979),Chromosome Aberrations (1968-1979),Crossing Over (Genetics) (1968-1979),Cytogenetics (1967),Genetics (1966) |
Sister Chromatid Exchange Medical Definitions and Terms
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