The world mourned the passing of Dolly the cloned sheep in 2003, but the amiable ovine’s contributions to science did not end with her death. After three years of trial and error, the Scottish researchers who made history by manipulating genes to produce Dolly have announced another breakthrough: the creation of the world’s first clone-based haggis. Haggis, a traditional Scots dish made by combining the heart, liver and lungs of a sheep with oatmeal and suet and then cooking them in the sheep’s stomach, has not previously been linked to the science of genetics. “We thought we’d study the effects…