A course in human biology.
How do all the cells of the embryo differentiate and organise themselves to form a baby?
Dr. L. Wolpert, King's College, London
Film facilities provided by: Dr. T. Gustafson, Dr. K. W. Jones
E. R. Squibb and Sons, Limited Institute of Animal Genetics, Edinburgh
Professor L. S. Stone, Dr. T. C. Kramer
A BBC Educational broadcast
Repeated on Tuesday at 11.15 p.m.