Our team took DNA from a 13,000 year old tooth and a 72,000 year old skull and made healthy dire wolf puppies,” said Colossal ...

Cloning is a biotechnological process that involves creating genetically identical copies of an organism or cell. In essence, a clone is an exact genetic replica of the original organism or cell, ...

A different targeted line (LJG-13) of 129 strain background gave four embryos which died at mid-gestation (Table 1). These experiments indicate that nuclear cloning can generate mice with targeted ...