33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
476989
40941
2
Public Timelines
FAQ

jan 1, 1928 - The Cell Nucleus Controls Embryonic Development

Description:

Hans Spemann used the same technique with the baby hair to push the nucleus of a fertilized egg to a certain side of the cell. Only the side with the nucleus divided. He then removed his cell from the group.

This was the first instance of nuclear transfer. It showed that the nucleus directs the growth.

Added to timeline:

21 Dec 2017
0
0
616

Date:

jan 1, 1928
Now
~ 97 years ago