Figure 3.

The percentage of n-mers that appeared exactly once (unique hits), out of all the n-mers detected in each genome. Slightly less than 50% of 16-mers detected in humans are unique. Whereas, for E. coli, a little more than 50% of 12-mers were unique.

Liu et al. BMC Genomics 2008 9:509   doi:10.1186/1471-2164-9-509
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