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Advanced Biology

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Genetics

Using Microarrays to Compare Gene Expression

Description

Microarrays let scientists compare gene expression by measuring how strongly genes are turned on in a sample. They rely on complementary binding, which means matching nucleic acid strands stick to each other. In this method, probes attached to a glass chip bind to nucleic acids taken from samples.

Transcript

Microarrays de DNA são ferramentas amplamente utilizadas para medir simultaneamente a expressão de muitos genes diferentes. Eles consistem em milhares de sondas — cada uma representando um gene diferente — imobilizados em "chips" ou slides, e dependem de hibridização complementar para avaliar a expressão genética em diferentes...

Tags

Gene Expression ProfilingDNA MicroarraysMicroarray TechnologyExpression ProfilingMicroarray ExperimentRNA IsolationFluorescent LabelingHybridization SolutionData NormalizationCluster Analysis

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