Question

Name the type of mutation in which the cause of mutation is not known?

(a) Spontaneous mutation

(b) Suppressor mutation

(c) Nonsense mutation

(d) Mis-sense mutation

I had been asked this question in final exam.

This is a very interesting question from Mutation topic in section Molecular Genetics of Life Sciences

Answer 1

The correct answer is (a) Spontaneous mutation

Best explanation: Spontaneous mutation is those for which the cause of mutation is not known. These types of mutations arise due to a tautomeric shift in nitrogenous bases of DNA.