Which of the following is correct regarding the rate of mutation?

Question

Quizplus · Accepted Answer

Rates of mutation per cell generation can vary greatly, with rates ranging from 10⁻⁵ to 10⁻⁹ depending on the organism and the type of mutation. For example, the mutation rate is much higher in viruses than in mammals.

Answer: None of the other options are correct. 
 B is incorrect because mutation rates can vary greatly even within the same species. C is incorrect because environmental conditions can influence the rate of mutation. For example, exposure to radiation can increase the rate of mutation. D is incorrect because mutation rates can change over time and can vary depending on the type of mutation.

Which of the Following Is Correct Regarding the Rate of Mutation