Fig. 1
From: Retrotransposon gag-like 1 (RTL1) and the molecular evolution of self-targeting imprinted microRNAs
The location of tandem repeats (A–D) within the protein-coding region of the sense strand (above) and of microRNAs on the antisense strand (below) of (a) human RTL1 and (b) mouse Rtl1. (c) Phylogenetic ‘road-map’ of when particular features arose