Biology: How Life Works
Biology: How Life Works
3rd Edition
ISBN: 9781319017637
Author: James Morris, Daniel Hartl, Andrew Knoll, Melissa Michael, Robert Lue, Andrew Berry, Andrew Biewener, Brian Farrell, N. Michele Holbrook
Publisher: Macmillan Higher Education
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Chapter 14.3, Problem 8SAQ
Summary Introduction

A change in the DNA sequence of the cell is known as a mutation. Mutations often occur in two ways such as spontaneous mutations (which arise occasionally) and induced mutations (which arise from the exposure of mutagens). Mutations affect the phenotype of an organism. Mutations can produce genetic diversity and may affect or enhance the ability of survival and reproduction.

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What are the types of mutations, and how does each alter theencoded protein?
What type of mutations are insertions and deletions?
• What causes mutation? Is it always harmful? • Does a simple change on DNA sequence affect the resulting protein? Explain briefly.
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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY