A group of four talks 1: Some Simple Rules by LEWIS WOLPERT
Lecturer in Zoology,
King's College, London
' How does the egg, itself largely without pattern, give rise to the complex shapes of the embryo?
Molecular biologists are now tackling this question. As Dr. Wolpert shows, to know the biochemistry of the genes-the DNA -is only part of the solution to this problem. We must find out more about how cell movements bring about changes in shape, and what forces are involved.
The Book oj Instructions: May 7