Figure 2.

Example of an Alu insertion. Example of an Alu insertion. Arrows show read direction, black arrows show reads mapping normally, red lines show the insert between them, green arrows show l reads and blue arrow show r reads. The leftmost figure shows a normal individual, center an heterozygote and rightmost an individual homozygote for an Alu insertion. Red dot at the bottom of each figure shows the location of the Alu insertion.