Info

Intron I

Exon l Exon 3 aaaaa

Intron 2 Intron I, exon 2, and intron 2

Transcription

Pre-mRNA 5'lExonl jO I©3' cleavage sites 3'

Cleavage may occur at 3' site 1.

3' cleavage and polyadenylation

51 Exon l aaaaa 3' 51 Exon l

Exon 2

RNA splicing mRNA

aaaaa 3'

mRNA products of different lengths are produced after splicing.

Intron I

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