Foreign gene (double stranded DNA) is maybe integrated in different DNA strand of the same chromosome as an exon. The first generation of transgenic fish is Mosaic.

外源基因(双链dna)作为外显子可能整合在一条染色体上的不同dna链上，转基因鱼的第一代为嵌合体。

youdao

This article reviewed studies on chromosomal locating of resistance toBarley Yellow Mosaic Virus (BYMV) in barley. (1) Resistance gene was-located by marker gene methoud;

本文综述了大麦黄花叶病（BYMV）抗性基因的染色体定位研究。

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A watermelon mosaic virus 2 (WMV-2) isolate from diseased watermelon in Shanxi Province was used for cDNA synthesis of WMV-2 CP gene by RT-PCR.

本研究以从山西西瓜上分离纯化得到的西瓜花叶病毒2号（WMV-2）分离物为材料，用RT-PCR方法得到其外壳蛋白（CP）。

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Once a patient's cancer cells are isolated in the laboratory, the gene responsible for producing the antibody is extracted and added to the "tobacco mosaic virus".

BBC: Tobacco 'could help treat cancer'