单语范例（未经PONS编辑处理）
英语
- Extrachromosomal arrays replace an earlier technique involving a duplicated piece of chromosome called a "free duplication".en.wikipedia.org
- Our study demonstrates that this can be done in a completely new way: through the transmission of extrachromosomal information.www.evolutionnews.org
- Cells lacking the extrachromosomal array also lack the functional gene of interest.en.wikipedia.org
- Thus, cells which exhibit larger nucleoli have usually not retained the extrachromosomal array.en.wikipedia.org
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