fluorescence in situ hybridization

  • FISH
German: Fluoreszenz-in-situ-Hybridisierung
Japanese: 蛍光 in situ ハイブリダイゼーション

Method for the visualisation of genetic material.

Molecular biology. A molecular cytogenetic technique that uses fluorescein tags to detect probes hybridized to a particular chromosome or gene. The location and size can be determined using fluorescence microscopy. FISH is useful for detecting chromosomal abnormalities.

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