Ungulates produced by nuclear transfer of G1 cells

Patent Number: 7,304,204

This patent is one of Ian Wilmut's family of patents covering various aspects of the cloning procedure. In this particular patent cloning of an ungulate (e.g. pigs, horses, sheep, or goats) is covered through the use of nuclear transfer in which the donor nucleus is in the G1 phase of the cell cycle and the recipient oocyte is blocked in the metaphase II phase and enucleated.

View this patent on the USPTO website.