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

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Slide 4

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What Is the Human Genome?

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The human genome is the complete set of instructions for life as we know it. Except for red blood cells, which have no nucleus, the human genome is located in the nucleus of every cell in the body. There it is organized into 22 pairs of very large molecules called chromosomes and one pair of sex chromosomes.

What Is the Human Genome?