mRNA 5' UUGUAUUUGCUAUAGUUGUAUU 3' ||||x||x|||||||||||||| miRNA 3' AACAGAACCGAUAUCAACAUAA 5'
mRNA 5' UUGUCUUGGUUGUAGUAGUGUU 3' |||||||||o|o||||x||o|| miRNA 3' AACAGAACCGAUAUCAACAUAA 5'