Hans Spemann

Hans Spemann

1

In1928 , Hans Spemann addressed these questions experimentally using salamander eggs .

1928年HansSpemann通过用蝾螈卵子做实验提出这些问题。
2

Although the hypothesis for embryo nuclear transplantation had been put forward by Hans Spemann as early as 1938 , it was not until 1950s and 1960s that embryo nuclear transplantation was successfully conducted in the amphibian and fish , respectively .

尽管早在1938年HansSpemann就已提出了胚胎细胞核移植的设想，但直到20世纪50和60年代才在两栖类和鱼类获得成功。