foreign genes

• 外源基因

foreign genes的用法和样例：

例句

1. Only about one out of a million cells will correctly incorporate a foreign gene using the most common versions of this technique.
   应用这种最常规的技术，仅有百万分之一的细胞可以正确加人外源基因。
2. Because these viruses abortively infect human and most mammalian cells yet still effectivelypresent encoded forgein genes to the host immune system.
   因为这类病毒不能感染人和大多数哺乳动物细胞，却可以有效地将外源基因编码的蛋白递呈给宿主免疫系统。