3.5 Cloning

An udder cell is taken from Sheep A. An egg cell is taken from Sheep B.

An udder cell is taken from Sheep A. An egg cell is taken from Sheep B.

Step 1

The nucleus of Sheep B’s egg cell is removed, leaving an empty egg.

Step 2

Sheep A’s enucleated cell is fused with Sheep B’s empty egg cell.

Step 3

An electric shock stimulates division of the egg cell, which are then implanted into Sheep C, a surrogate.

Step 4