这个词是什么意思？
Biologically active DNA which has been formed by the in vitro joining of segments of DNA from different sources. It includes the recombination joint or edge of a heteroduplex region where two recombining DNA molecules are connected.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D004274 · MeSH 2026。
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