A gtr file extension is related to the Stanford Microarray Database gene tree files.
GTR file extension - Stanford Microarray Database gene tree data
What is gtr file? How to open gtr files?
File type specification:
The gtr file extension is associated with the Standford Microarray Database gene tree file format.
The gtr (gene tree) file records the order in which the genes (rows) were joined during clustering.
This gtr file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.