2021HSCMultiple choice

Q15

1 mark

Question

An example of the mutagenic effect of ultraviolet radiation (UV) on DNA is shown in the diagram. What is the mutagenic effect that is modelled?
A. Thymine is duplicated.
B. Bonds are formed between adjacent bases.
C. Nucleotides form bonds in the backbone of DNA.
D. Thymines on the two strands of DNA form bonds.

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Syllabus alignment

Module 6 · Genetic Change

MutationExplain how electromagnetic radiation, chemicals and naturally occurring mutagens operate.
MutationCompare causes, processes and effects of point and chromosomal mutations.

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