n. 遗传性影响
- Transgenic techniques with random integration have extremely decreased the efficiency of integration, hereditation and expression of external genes in transgenic animals.
随机插入的转基因方法严重阻碍了外源基因在转基因动物体内的有效整合和稳定遗传及表达，基因打靶技术可以解决这个问题。