- 《英文msh詞典》Exchange,Sister Chromatid
- [入口詞] Exchange,Sister Chromatid
- [主題詞] Sister Chromatid Exchange
- [英文釋義] 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.
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