A bacterium undergoes mutation caused by an antibiotic. Specifically, the gene with the sequence AUGCCCACCCGA undergoes a frameshift mutation. Which of these sequences represents the mutated gene?
AAUGGCCACCCGA
BAUGACCCACCCGA
CAUGCCCUCCCGU
AAUGGCCACCCGA
BAUGACCCACCCGA
CAUGCCCUCCCGU