Apoint mutation that does not result in a change to the amino acid coded for is said to be a mutation.

The appropriate response is Silent mutation, a mutation in DNA that doesn't fundamentally modify the phenotype of the  organism in which they happen. Quiet changes can happen in non-coding districts, or they may happen inside exons.Hope this will help 

We can’t you if you only tell us that you have to show us what the answers are

You need to divided twenty four by a dozen them by the temperature it is getting cook by