Chapter 15, Problem 5PDQ

Summary Introduction

To determine: The reason behind considering mutations important for the process of evolution if they are thought to be deleterious.

Introduction: Mutation is defined as any change in the nucleotide sequence that alters the phenotype of the organism. A base-pair change in any part of a DNA molecule can be considered as a mutation. It comprises either a substitution in the single base-pair, deletion or insertion of one or more base pairs, or a major alteration in the structure of a chromosome.