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译林2003课标版《Reading(1)： The perfect copy》优质课PPT课件下载
north-east tiger
What can we do to
protect them?
Dolly
The advanced technique
in genetics(遗传学) with
which scientists can create
or copy things with the
same DNA is called -?
clone
If you are a scientist,
what do you want to clone?
why?
Brainstorming
If cloning goes wrong,
what will happen?
Fun pictures
A dog or an eagle?
A duck or a crocodile?
A cock or a dog?
A lion or a kangaroo?
A frog or a crocodile?
A tortoise or a bear?
A bird or a dog?
A dog or a man?