Think about the development of a human family tree, cells inside C. elegans and even cells inside your body. What are the similarities and differences between them?
Please observe the two movies below and come up with your observations and questions for discussion.
Here is an example family tree tracing back from grandson to grandpa. Try to trace your family tree from you up to your grandma or grandpa or great-grandparents. Click the family tree below to see an animation.
This movie traces the development of intestine cells backwards to where they came from.
Embryogenesis of C. elegans has some background information to help you observe this movie. C. elegans Cell Lineage contains useful resources to help you understand the development of cell lineage.