The expression can be traced back to horse racing in the 1700s when goats were used to settle the horses. A young goat. An idiom is a turn of phrase that doesn't make sense when literally translated.
Description: GTF file is a General Feature Format File. The Gene transfer format (GTF) is a file format used to hold information about gene structure. It is a tab-delimited text format based on the general feature format (GFF), but contains some additional conventions specific to gene information.
CLF files are Uncommon Files primarily associated with ListPro Database (Ilium Software Inc.). CLF files are also associated with DesignWorks Symbol Library (Capilano Computing) and FileViewPro. Additional types of files may also be using the CLF file extension.