BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 7, Problem 6MCQ
Summary Introduction

Introduction:

A mutation can add, delete, or change nucleotides in a DNA sequence. It can also replace one base with the other. Insertion or deletion of nucleotides disrupt the reading frame and eventually changes the sequence of the encoded protein.

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Use your genetic code (codon) table to answer the next two questions: What type of mutation would result if the sequence of a gene were altered so that the sequence of the mRNA was changed from: AUGCCGUGCAGUAAC    to        AUGCCAUGCAGUAAC A) a silent mutation B) a nonsense mutation C) a frame-shift mutation D) a missense mutation  E) a base insertion mutation
a mutation in dna that adds +1 ot -1 nucleotide or +2 or -2 nucleotides is called a______? (choose one answer only) A. frameshift mutation B. silent mutation C. nonsense mutation D. missense mutation
In Eukaryotes, DNA is a long molecule inside a tiny nucleus. a. How can this long chain fit in such space? b. How does it affect gene expression?

Chapter 7 Solutions

BIOLOGY:THE ESSENTIALS (LL) W/CONNECT

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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY