Sheep ideal research subjects, and thus are not a common model organism. They have, however, played an influential role in some fields of science. In particular, the Roslin Institute of Edinburgh, Scotland used sheep for genetics research that produced groundbreaking results. In 1995, two ewes named Megan and Morag were the first mammals cloned from differentiated cells. A year later, a Finnish Dorset sheep named Dolly, dubbed "the world's most famous sheep" in "Scientific American", was the first mammal to be cloned from an adult somatic cell. Following this, Polly and Molly were the first mammals to be simultaneously cloned and
What Was Missing been able to officially make clear the relationship in the series itself. The episode was first physically released as part of the 2013 "Fionna & Cake" DVD, which included 16 episodes from the series' second, third, and fourth seasons. It was later re-released as part of the complete third season DVD in February 2014. In addition, the 2015 limited edition 12" vinyl record release "Marceline the Vampire Queen Rock the Nightosphere" included "I'm Just Your Problem" alongside other songs sung by Marceline. What Was Missing "What Was Missing" is the tenth episode of the third season of the American animated