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.
March 31, 2015. A GIF is a common type of image file found on most computer systems and websites. The abbreviation GIF stands for Graphics Interchange Format. GIF files can usually be opened with the image viewing software included with your operating system or within a browser as part of a web page.