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François Jacob's lab in the seventies: the T-complex and the mouse developmental genetic program
1Département de Biologie, Ecole normale supérieure 46 rue d'Ulm, 75230 Paris, France.
History and Philosophy of the Life Sciences
|August 14, 2002
Summary
The concept of a genetic program in development, proposed in the 1960s, was metaphorically used by François Jacob. His T-complex model shows this metaphor did not constrain early 1970s research.
Area of Science:
- Developmental Biology
- History and Philosophy of Science
Background:
- The 1960s saw the proposal of a genetic program for development by molecular biologists.
- This notion faced significant criticism from historians and philosophers of science.
- This study examines François Jacob's T-complex model from the early 1970s.
Discussion:
- The T-complex model, developed in François Jacob's lab, represents a forgotten episode in developmental biology.
- Analysis reveals the term "program" was used metaphorically, not as a rigid constraint.
- The origins of this metaphor within the scientific context of the 1970s are explored.
Key Insights:
- The "genetic program" concept in early developmental biology was largely metaphorical.
- François Jacob's T-complex model exemplifies this metaphorical usage.
- Historical analysis is crucial for understanding scientific concepts and their evolution.
Outlook:
- Re-evaluating historical scientific metaphors can clarify conceptual frameworks.
- Further research into the T-complex model could illuminate early developmental biology.
- Understanding the metaphorical underpinnings of scientific terms is vital for accurate historical interpretation.