2022HSCMultiple choice
Q13
1 mark
Question
The section of DNA shown in Question 12 came into contact with a mutagen, resulting in a change in the cytosine. The effect on the DNA after several replication cycles is shown.
The mutagen has resulted in
A. a frame-shift mutation.
B. an increase in cytosine.
C. a change in one base pair.
D. a change in one nucleotide.

Syllabus alignment
Module 5 · HeredityModule 6 · Genetic Change
- Cell ReplicationModel mitosis, meiosis and DNA replication using nucleotide pairing and bonding.
- MutationCompare causes, processes and effects of point and chromosomal mutations.