Fig 5. Directionality of indel mutation events.

Percentages of non-target read lengths are on the y-axes, while the microsatellite structures and directionality of mutation events (I = insertion; D = deletion) are indicated on the x-axes. The boxes represent the inter-quartile range with the thick lines representing the medians. The whiskers are 1.5 times the inter-quartile range and outliers are plotted as individual dots. A. Stepwise mutations by integer numbers of repeat units. B. Non-stepwise mutations. C. Indel mutations by one or more bp in linker sequences.