BIOLOGY: HOW LIFE WORKS (LL+ACHIEVE)
3rd Edition
ISBN: 9781319406868
Author: Morris
Publisher: MAC HIGHER
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Chapter 14.3, Problem 7SAQ
Summary Introduction
A change in the DNA sequence of the cell is known as a mutation. Mutations can be harmful (reduce survival or reproduction), neutral (do not affect survival or reproduction), or beneficial (increase survival or reproduction). One or within a few generations, the harmful mutations can be eliminated because they often decrease the survival of organisms and their reproductive abilities. However, less harmful mutations can remain in the population. If the mutation occurs in the noncoding DNA, it may result in little or no effect. If a mutation occurs in the protein coding regions, it may produce a harmful effect on the organisms.
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BIOLOGY: HOW LIFE WORKS (LL+ACHIEVE)
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- What three different types of mutations involve changes in a single base, and what effect can each of them have on a coding sequence? Which type is the most common? Which type has the most severe effect on the function of the encoded protein?arrow_forwardWhich class of mutation, missense or nonsense, is morecommon, and why?arrow_forwardWhat is the difference between a missense mutation and a nonsense mutation? Between a silent mutation and a neutral mutation?arrow_forward
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