Evidence of chimeric coding structure in Zebrafish, Western clawed frog.

amRNA or EST sequences that span both recruited coding sequence and retrosequence. bthe percentage of chimeric retrogenes with evidence of chimeric coding structure.a. 同时覆盖募集的编码序列与逆转录序列的amRNA或表达序列标签（Expressed Sequence Tag, EST）序列； b. 携带嵌合编码结构证据的嵌合逆转录基因的占比。