The Cloning of Dolly the Sheep Is an Example of Which

Multiple Choice

The cloning of Dolly the sheep is an example of which of the following processes?

A) replication and dedifferentiation of adult stem cells from sheep bone marrow
B) separation of an early stage sheep blastula into separate cells, one of which was incubated in a surrogate sheep
C) transfer of an adult cell's nucleus into an enucleated sheep egg, followed by incubation in a surrogate
D) isolation of stem cells from a lamb embryo and production of a zygote equivalent