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The Double Helix - Chapter 12 Summary & Analysis

This Study Guide consists of approximately 86 pages of chapter summaries, quotes, character analysis, themes, and more - everything you need to sharpen your knowledge of The Double Helix.
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Chapter 12 Summary

Watson was enthusiastic about beginning to work with the different possible molecular models of DNA. He and Francis knew that the models of the components that were at the lab weren't exactly what they needed. Instead of waiting for new models, they added copper wire to existing models to make the larger-sized phosphorus atoms necessary for DNA. They also needed to represent inorganic ions, but they wouldn't know the correct configuration before understanding the final structural model. Still, they dived in. While Francis reviewed the X-ray images, Watson began assembling pieces of a model. Over lunch, when Francis was usually gregarious and interested in other scientists' problems, he and Watson discussed ideas about the DNA structure. Once they started building, they had problems. The atom models kept falling down, and they saw some problems. The bonds that held together DNA, they found, might be different shapes, allowing...

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This section contains 309 words
(approx. 2 pages at 300 words per page)
Purchase our The Double Helix Study Guide
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The Double Helix from BookRags and Gale's For Students Series. ©2005-2006 Thomson Gale, a part of the Thomson Corporation. All rights reserved.
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