Answer:b
Explanation:
It will only be found in some cells because when a mutation is formed it will most likely not be able to spread
The part are <span>opthalm/o + algia
Hope this helps</span>
Bio refers to study of living things + technology (is pretty straightforward- i dont think i need to explain this)
This means Vincent modifies the DNA of bacteria to study the function of their genes is the correct answer :)