...Yak, droEre)), droAna), (droPer, droPse)), droWil), ((droVir, droMoj), droGri)) (Stark et al. 2007). All lncRNAs emerging more than 40 million years ago were regarded as old lncRNAs (Chen et al. 2010), and the young lncRNAs were further divided into two or three age groups to calculate the relative...