Does Watson and Crick's model of DNA account for the equal amounts of thymine and adenine in DNA?

1 Answer
demathgirl
Jun 9, 2017

Yes, Watson and Crick's model does account of equal amounts of thymine and adenine.

Explanation:

Watson and Crick used Chargaff's data to build their model of DNA. Chargaff's data showed that there were equal amount of the nitrogen bases: adenine and thymine.

In the 3D model, the bases of DNA are the rungs of the ladder, and point towards each other. Adenine is always bonded to thymine. So whenever there is an adenine on the other side there is a thymine. And wherever these is a thymine there is an adenine. Keeping the values close.

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