The LRB Podcast The Mendel Inheritance
Nov 6, 2024
Lorraine Daston, Director Emerita at the Max Planck Institute for the History of Science, dives into the legacy of Gregor Mendel and the debates surrounding genetic determinism. She contrasts Mendel’s work with the theories of Bateson and Weldon, illuminating how personal biases influenced scientific acceptance. The discussion highlights misconceptions in genetics, challenges to inherited traits, and the historical neglect of women's contributions. Daston urges a nuanced understanding of these ongoing scientific controversies and their cultural implications.
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Fixed vs. Gradual Inheritance
- Bateson believed in fixed genetic inheritance with occasional mutations, while Weldon emphasized environmental influence.
- Weldon, influenced by Galton, argued for ancestral inheritance and gradual changes.
Weldon's Challenge to Mendelism
- Weldon's observations revealed gradations in pea traits, challenging the binary view of Mendelism.
- Weldon's detailed observations threatened the foundation of Mendelism.
Mendelism's Practical Value
- Bateson's apparent victory was influenced by Mendelism's practical value in agriculture.
- Radick targets not biologists, but the popular, simplified understanding of genetic determinism.