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Microarrary Technology

A new way of studying how large numbers of genes interact with each other and how a cell's regulatory networks control vast batteries of genes simultaneously. The method uses a robot to precisely apply tiny droplets containing functional DNA to glass slides. Researchers then attach fluorescent labels to DNA from the cell they are studying. The labeled probes are allowed to bind to complementary DNA strands on the slides. The slides are put into a scanning microscope that can measure the brightness of each fluorescent dot; brightness reveals how much of a specific DNA fragment is present, an indicator of how active it is.

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Resource Type: Diagram
Audience Level: High school lower division 9-10, High school upper division 11-12, Undergraduate lower division 13-14

Author and Copyright


Authors and Editors: Darryl Leja of National Human Genome Research Institute, Access Excellence @ the National Health Museum
Publisher: Access Excellence @ the National Health Museum
Format: text/html
Copyright and other restrictions: Yes
Cost: No

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