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DNA Packaging and Topography

This illustration depicts DNA packed tightly into chromosomes, as well as a DNA molecule unwound to reveal its 3-D structure. Courtesy: National Human Genome Research Institute

biology | genetics | bioinformatics | dna | chromosomes

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Source: .
http://www.genome.gov/

License: Public Domain. If you are going to redistribute this image online, a hyperlink to the above source page is mandatory.