As shown in the following diagram, a pre-mRNA contains seven exons, which are numbered in black, and six introns, which are numbered in green. A splicing repressor binds at the 3′ splice site at the end of intron 4, which is just before exon 5.What exons will be included in the mature mRNA?

Transcribed Image Text:

5'- 1 2 3 Site where splicing repressor binds 3 4 5 6 5 6 7 3'