Material Detail

This is a chapter of the larger site "DNA from the beginning."  This section discusses the organization of DNA into chromosomes, the role of histone proteins in providing structure to chromatin in the form of nucleosomes and in supercoiling DNA. It then goes on to discuss the formation of chromosome structures from supercoiled DNA and the role of other proteins as scaffolds for the chromosome. The material is taught by explaining the experiments that resulted in our understanding of this subject. For all of the modules of the larger site, the science behind each concept is explained using animations, an image gallery, video interviews, problems, biographies, and links. There are three sections, Classical Genetics, Molecules of Genetics and Organization of Genetic Material. Key features are the clear explanations of classical experiments and the excellent photographs of researchers and their labs.

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