Isabella liked to sunbathe. However, after she learned that ultraviolet rays are a cause of environmental mutations, she decided to stop sunbathing. Another kind of mutation is genetic, and it is caused by small changes in an organism's DNA. A change in a base pair is a mutation. This can cause the
wrong protein to be made during protein synthesis. Which of the following are causes of mutations? Choose three that apply.
A. DNA sequence
B. deletion
C. addition
D. sex-linked
E. substitution
F. expression