Suppose That Exposure to a Chemical Mutagen Results in a Change

Multiple Choice

Suppose that exposure to a chemical mutagen results in a change in the sequence that alters the 5' end of intron 1 (I1) . What might occur?

A) loss of the gene product
B) loss of E1
C) premature stop to the mRNA
D) inclusion of I1 in the mRNA
E) exclusion of E2