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Sequence data: The final product. The ultimate description of the genome, though only a prelude to full understanding, is the base-pair sequence. This computer display shows results from the use of transposons at Berkeley. The array of triangles represents the transposons inserted into a 3000-base-pair subclone; the 11 selected by the computer to build a minimum tiling path are shown below the heaviest black line. The subclone segments sequenced by using these 11 starting points are depicted by the horizontal lines; the arrowheads indicate the sequencing directions. The expanded region between bases 2042 and 2085 is covered by three sequencing reactions, which produced the three traces at the bottom of the figure. Above the traces, the results are summarized, together with a consensus sequence (just below the numbers).

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To Know Ourselves was prepared at the request of the U.S. Department of Energy, Office of Health and Environmental Research, as an overview of the Human Genome Project.