Sheep were the first species of mammals to be
cloned. Which statement about cloned sheep is
correct?
(1) Different kinds of body cells in a cloned
sheep contain different DNA.
(2) Cloned sheep cannot produce offspring if
they are mated with noncloned sheep.
(3) Two sheep cloned from the same parent
cannot mate and have offspring.
(4) Many cells in cloned sheep have two
identical nuclei, instead of a single nucleus.