| 单词 | Exchange,Sister Chromatid |
| 释义 | Exchange,Sister Chromatid《英文msh词典》Exchange,Sister Chromatid [入口词] Exchange,Sister Chromatid [主题词] Sister Chromatid Exchange [英文释义] 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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