1. Module 5, Unit 3
Welcome to the unit

2. clone The advanced technique in genetics(遗传学) with
which scientists can create
or copy things with the
same DNA is called -?
clone

4. Scientific definition
Cloning is the creation of cells or whole
animals by using DNA(脱氧核糖核酸)
from a single "parent", bypassing
(绕道而行) the normal reproductive
(生殖) process. The clone has the same
DNA to the “parent”.

5. Dolly and its
creator

6. cloned female pigs

7. cloned calves from Japan

8. the first cloned monkey.

9. cloned chicken

10. the cloned deer

11. Do you think the cloned animals are as healthy as the natural ones?
Dolly is, but scientists do not yet know
whether this is the exception(例外) or
the rule. Some early evidences suggest
that clones may have health problems
and that they may age prematurely
(早衰的，未老先衰).

12. Brainstorming
If you are a scientist,
what doyou want to
clone?Why?

13. More contributions to human

14. More world champions

15. China, a more harmonious community

16. Supposing you are facing your second self who looks
Just imagine
Supposing you are facing
your second self who looks
like you, talks like you and
thinks like you, how do you
feel?

17. Try to describe Bush’s feelings.

18. Fun pictures
If cloning goes wrong,
what will happen?

19. A dog or an eagle?

20. A duck or a crocodile?

21. A cock or a dog?

22. A lion or a kangaroo?

23. A frog or a crocodile?

24. A tortoise or a bear?

25. A bird or a dog?

26. A dog or a man?

27. Discussion
Do you think governments should pass laws to prohibit human cloning? Why or why not?

28. Party A They shouldn’t, for… reasons: Cloning can help cure many
diseases and save a lot of
people lives.
2. ……
3. ……
reasons:

29. Party B They should, for… reasons: Cloning can lead to
ethical(伦理) problems.
2. ……
3. ……
reasons:

30. Giving an oral report
Today our class had a discussion about whether the governments should pass laws to prohibit human cloning.
Some students think that the
governments should, for…
However, some other students think
it necessary to prohibit…, for…
In my opinion, …

31. Thank you for your attention!

32. Bye Bye