r. by genetic mechanisms
adv. 创始, 遗传学, 生殖, 基因, 遗传, 发生
1. Many diseases are genetically inherited from parents to children.
许多疾病是遗传自父母给孩子的。
2. Scientists are studying genetically modified crops to increase food production.
科学家正在研究转基因作物以增加食品产量。
3. Some people believe that genetically engineered animals can help solve food shortages.
一些人相信，基因工程动物可以帮助解决食品短缺问题。