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Understanding Cancer Series

  • Posted: 01/28/2005
  • Reviewed: 09/01/2006

Slide 4

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DNA Molecules

Every human cell (with the exception of mature red blood cells, which have no nuclei) contains the same DNA.

Each cell has 46 molecules of double-stranded DNA. Each DNA molecule is made up of 50 to 250 million bases housed in a chromosome.

DNA Molecules