2. in Order to Clone a Animal, a Nuclues Is Inserted Into a ______Egg Cell

Name: Date: Sept 24/08

Cloning Worksheet

1. Who is Dolly? ______

2. In order to clone a animal, a nuclues is inserted into a ______egg Cell.

3. In order to create a cloned embryo, the egg cell must have its ______removed.

4. What might I need to clone a mouse.

5. Place the following steps in the correct order.

______Deliver cloned baby

______Remove and discard the nucleus from the egg cell

______Isolate nucleus from the genetic mother

______Transfer the new nucleus from the genetic mother into the enucleated egg cell

______Implant embryo into a surrogate mother Name: Date: Sept 24/08

6. Why is cloning extinct animals problematic?

7. What are some reasons a person might want to clone a human?

8. What plant was cloned in 1956? ______

9. The process of removing a nucleus is called ______

10. Can the nucleus of an adult cell be injected into an egg cell and produce a clone? And if possible how? Name: Date: Sept 24/08

11. Why are mammals hard to clone? ______

12. The first mammal clone to be produced from an adult cell?

______

13. What do scientists do to adult cells to make them unspecialized?

Is it Cloning or Not?

14. For each of the following scenarios, indicate YES (it is cloning) or NO (it is not cloning)

______Sperm taken from a mole goat is combined with a female's egg in a petri dish. The resulting embryo is implanted into the female's uterus to develop

______A sheep embryo, composed of 16 cells, is removed from the mother's uterus and separated into indivudal cells. Each cell is allowed to multiply, creating 16 separate embryos, which are then implanted in different female sheep to develop to maturity.

______A cow with many desirable traits is stimulated with hormones to produce a number of egg cells. Each of these eggs is fertilized and implanted into a surrogate mother.

______Cell nuclei from an extinct wolly mammoth are placed into enucleated cow cells.

15. Define or describe process of Nuclear Transfer.