Campbell Biology
Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 20.2, Problem 2CC
Summary Introduction

To identify: The color spots representing genes in the given microarray that is required to study cancer.

Concept introduction:

DNA microarray analysis is used to study the gene network across the genome. It may be used to compare the DNA or RNA molecules and analyze the gene expression. It uses nucleic acid hybridization, where the labeled cDNA molecules hybridize with their complementary DNA sequences on a DNA chip.

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Consider the microarray in Figure 20.12. If a sample from normal tissue is labeled with a green fluorescent dye and a sample from cancerous tissue is labeled red, what color spots would represent genes you would be interested in if you were studying cancer? Explain.
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