Humans do not have this technology to accurately control the genes of higher animals (such as birds) to naturally grow unnatural traits (such as having more wings)
The photos circulating on the internet have been confirmed to be PS.
At present, relatively mature gene technology is limited to a few crops, such as soybean, rice and corn. Many other genetically modified crops only stay in the laboratory stage or not, and poultry and livestock are even blank.
However, it has been confirmed that KFC's meat suppliers have bad behavior of using expired meat. This supplier: Shanghai Fuxi Food Co., Ltd. (American-funded) also supplies well-known catering enterprises such as McDonald's and Pizza Hut. Many responsible persons of the company were criminally detained and a large number of shares were recalled. So foreign fast food is not reliable now.