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 relative preference for or aversion against products that originate from certain countries (so-called affinity and animosity countries). The requirements for Country of Origin markings are complicated by the various designations which may be required such as "Made in X", "Product of X", "Manufactured in X" etc. They also vary by country of import and export. For example: Section 304 of the Tariff Act of 1930 as amended () requires most imports, including many food items, to bear labels informing the ultimate purchaser of their country of origin. Meats, produce, and several other raw agricultural products generally were exempt. The 2002