If the instructor can not see Winston touching his toes and Winston said he did, then it could lead to the instructor giving Winston advanced exercises which is dangerous for him if he's not on that level yet.
They Protect Us From Risk
Answer: Natural Errors
Explanation: Mutagens can erase parts of DNA that then replicate, but is not a mistake made in copying DNA so that's not it. UV Radiation distorts DNA, but is not necessarily a mistake made in copying it. Natural Errors are mutations made by cells when they copy base pairs and ineffectively or for some other reason mutate/do not create the correct DNA, and the failure of cells to correct this is a mutation. This is also known as an error in DNA replication
