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Alignment of the chimpanzee AluYh3a1 element DC7 and the AluSq element present at the orthologous position in the human genome. Diagnostic positions for AluYh3a1 are shown in blue boxes, the characteristic deletion of AluSq is shown in a red box. This case represents an example of complete gene conversion replacing an Alu element from an old subfamily with one from a younger subfamily.
