One example is maternal inheritance technology, in which modified genes pass down to only the seeds (the maternal line), not to the pollen (the paternal side).
One example is maternal inheritance technology, in which modified genes pass down to only the seeds (the maternal line), not to the pollen (the paternal side).
方法之一是利用母性遗传技术：经过修饰的基因只会传给种子（母系），而不会传给花粉（父系）；这项技术已经在菸草、马铃薯及番茄等植物上进行了测试。