Which of the Following Would Likely Exclude a Sequence from Being

Multiple Choice

Which of the following would likely exclude a sequence from being considered as an active gene?

A) a promoter with signals identical to the promoter of another gene
B) exons in different reading frames from one another
C) an exon followed by 3′ processing signals
D) only one exon with an in-frame stop codon
E) introns missing the GT-AG splice junctions appropriate for this gene