Although Quite Inefficient, Cloning by Nuclear Transplantation Can Be Successful

Multiple Choice

Although quite inefficient, cloning by nuclear transplantation can be successful, as exemplified by cloning of the famous Dolly. Such a success implies that …

A) nuclei can be reprogrammed by cytoplasmic factors in a foreign cytoplasm.
B) epigenetic changes in somatic cells are not functionally irreversible.
C) even a differentiated nucleus contains a complete genome, capable of supporting the development of an entire organism.
D) All of the above.