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 to determine their "correct" country of origin. Generally, articles only change their country of origin if the work or material added to an article in the second country constitutes a substantial transformation, or, the article changes its name, tariff code, character or use (for instance from wheel to car). Value added in the second country may also be an issue. In principle, the "substantial transformation" of a product is intended as a change in the harmonized system coding. For example, a rough commodity sold from country "A" to country "B", than subjected of a transformation in country "B", which sells