NEET Biology question

There was great excitement around the world when the sheep 'Dolly' was cloned using a nucleus derived from an adult cell of its 'mother' which was then transplanted into an enucleated egg. There is also excitement when it is announced that genes causing human diseases, like muscular dystrophy, have been cloned. Which statement about these two examples of cloning is correct?

• (A)They both involve cutting a piece of DNA from the genome.
• (B)One involves the cloning of a nucleus and the other is the cloning of a piece of DNA.Correct
• (C)They both produce products genetically identical to the original donor of cellular material.
• (D)They raise no ethical questions.