【正文】
Sheep A was created in a laboratory by scientists. It is a cloned sheep or clone. Sheep B is the “parent” of sheep A. Scientists used the genes of Sheep B to create Sheep A. Both sheep have identical genes their genes are exactly the sarae. A gene—the part of a cell that controls how it develops do we get our genes from? 2. How many parents does a cloned animal have? 3. Where are cloned animals created? 4. In what way are Sheep A and Sheep B identical? They have identical genes, and so are identical in every way Answer the questions about the words and phrases in the box. to be against (cloning) argument beneficial to be for (cloning) nature 1. If you are for something, do you think it is a good idea? 2. If you are against something, do you think it is ood idea? 3. Do you often h ve argu ts with people, in which y u isagree about something? What kind of things do you argue about? 4. think nature shou