14. Genetic Control of Development
Early Developmental Steps
2:08 minutes
Problem 1c
Textbook Question
Textbook QuestionIn this chapter, we have focused on large-scale as well as the inter- and intracellular events that take place during embryogenesis and the formation of adult structures. In particular, we discussed how the adult body plan is laid down by a cascade of gene expression, and the role of cell–cell communication in development. Based on your knowledge of these topics, answer several fundamental questions:
How do we know that molecular gradients in the egg of Drosophila exist?
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