That scenario is edging closer to reality now,as scientists figure out how to slip new genes into the sperm-producing cells of lab animals,yielding genetically altered sperm.

 
  • 这种设想即将成为现实,科学家已找到方法,将新的基因加入实验室生产精子的动物细胞中,培育出改变基因的精子。
今日热词
目录 附录 查词历史