Genetics: From Genes to Genomes
Genetics: From Genes to Genomes
6th Edition
ISBN: 9781259700903
Author: Leland Hartwell Dr., Michael L. Goldberg Professor Dr., Janice Fischer, Leroy Hood Dr.
Publisher: McGraw-Hill Education
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Chapter 18, Problem 28P
Summary Introduction

a.

To determine:

The portion of sgRNA that corresponds to crRNA and tracrRNA as per the figure given in the book.

Introduction:

A sgRNA (Single guide RNA) is made up of crRNA and tracrRNA (Trans activating RNA). In the CRISPR technique, both parts of the sgRNA are combined in one single molecule.

Summary Introduction

b.

To determine:

The reason due to which the fact that inside the bacterial genome, the CRISPR locus does not possess any PAM sites is crucial. Also, determine the way in which these PAM sites help in immunity of bacteria.

Introduction:

In the genome of the bacterium, the CRISPR locus does not contain PAM (Protospacer adjacent motif) sites. These are short DNA (Deoxyribose nucleic acid) sequences.

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Genetics: From Genes to Genomes

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