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Title :

FISH Mapping on DNA Fibers

Description :

The fluorescence microscope reveals several individual cloned DNA fibers from yeast artificial chromosomes (YACs, in blue) after molecular combing to attach and stretch the DNA molecules across a glass microscope slide. Also shown are the locations of two P1 clones, labeled green and red, mapped onto the YAC fibers using FISH. Digital imaging technology can be used to assemble physical maps of chromosomes with a resolution of about 3 to 5 kilobases.

Citation :

Human Genome Program, U.S. Department of Energy, Human Genome Program Report, 1997.

Credit or Source :

University of California, San Francisco

Hi Res :

High-Resolution Image


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