Complex sentence: In the late 1990s, the picture prompted a wave of protests against genetic engineering--although in this specific experiment no genetic manipulation was preformed; even the strain of mouse used is not genetically modified, It is the result of a spontaneous natural genetic mutation.
Split into simpler sentences: In the late 1990s, the picture prompted a wave of protests against genetic engineering--although in this specific experiment no genetic manipulation was preformed. Even the strain of mouse used is not genetically modified; it is the result of a spontaneous natural genetic mutation.