Genetics
Genetics
5th Edition
ISBN: 9781464109461
Author: Benjamin A. Pierce
Publisher: MAC HIGHER
Question
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Chapter 12.3, Problem 27AQP

a.

Summary Introduction

To determine:

The effect on DNA replication of mutations that destroyed 35 exonuclease activity of DNA polymerase I.

Introduction:

A change in the genetic code during replication is termed as “mutation”. Mutation can occur during replication or recombination. It is a permanent alteration in the nucleotide sequence in DNA. Cells have evolved many “repair mechanisms” due to the lethal potential of DNA mutations. Mutation that can mutate damaged DNA are, “substitution”, “deletion” or “insertion” of base pairs.

b.

Summary Introduction

To determine:

The effect on DNA replication of mutations that destroyed 53 exonuclease activity of DNA polymerase I.

c.

Summary Introduction

To determine:

The effect on DNA replication of mutations that destroyed 53 polymerase activity of DNA polymerase I.

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