Xena is a female piglet cloned from fetal-pig skin cells, and she may prove to be more than the latest addition to the biotech clone farm

• 她就是茜娜，一头由胎猪皮肤细胞克隆成的雌性小猪仔。她也许不仅仅向我们证明农场借助生物技术新添了一头克隆小母猪