Sister Chromatid Exchange

Synonyms

Chromatid Exchange, Sister

Chromatid Exchanges, Sister

Exchange, Sister Chromatid

Exchanges, Sister Chromatid

Sister Chromatid Exchanges

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.