Golden hamster stock of hamsters was exported from Syria to the United States in 1971, but apparently none of today's North American pets is descended from these (at least in the female line), because recent mitochondrial DNA studies have established that all domestic golden hamsters are descended from one female – probably the one captured in 1930 in Syria. Since the species was named, the genus "Cricetus" has been subdivided and this species (together with several others) was separated into the genus "Mesocricetus", leading to the currently accepted scientific name for the golden hamster of "Mesocricetus auratus". Following Professor Aharoni's collection in
Country of origin the final processed commodity to a country "C" is considered a sufficient step to label the end product "made in B". The International Federation of Film Archives defines the country of origin as the "country of the principal offices of the production company or individual by whom the moving image work was made". No consistent reference or definition exists. Sources include the item itself, accompanying material (e.g. scripts, shot lists, production records, publicity material, inventory lists, synopses etc.), the container (if not an integral part of the piece), or other sources (standard and special moving image reference tools). In law,