Using molecular biology tools, they introduced point mutations into the DNA coding for the human GABA-A receptor and then inserted this modified version into a Xenopus (frog) egg.

• 他们使用分子生物学工具，使制造人类GABA-A受体的基因发生点突变，然后将这个突变基因植入非洲爪蟾（Xenopus）卵中。