Christmas Tree
From Eterna Wiki
Christmas trees are RNA puzzles, lab or challenge solutions consisting mainly or exclusively of GC Pairs, so called because they are mostly green and red.
Teaching about Christmas Tree
<a href="https://getsatisfaction.com/eternagame/topics/rna_lab_christmas_trees_cub_scout_projects_and_optical_illusions">RNA Lab: "Christmas Trees," "Cub Scout Projects," and "Optical Illusions"</a> by Dimension9