Answer
changes in DNA structure
a new base sequence sometimes codes for the same thing as the old one - won't change protein structure
the change in protein structure isn't always critical to its function
Work Step by Step
Page 127- Mutations
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.