module5cloning-and-dna.ppt

Cloning
Module 5 Cloning and DNA
Work in pairs. Look at the title of the passage and the words in the box. Decide which ones you’re likely to see.
acid bacteria embryos enzyme experience gene human anism plant psychological stem cell structure upbringing
Revision
technical terms
基因 gene
酸性的 acid
细菌 bacteria
胚胎 embryo
酶 enzyme
组织 tissue
anism
干细胞 stem cell
基因的,遗传学的 ic
生物多样性的 biodiversity
多莉
伊恩·维尔莫特与多利
重组细胞
早期胚胎
另一头母绵羊(C)子宫
妊娠、出生
克隆绵羊“多莉”
电脉冲刺激
母羊(B)
乳腺细胞核
母羊(A)
去核卵细胞
动物细胞核移植和克隆动物
Thinking:
The relationship between Cloning and DNA
P1
(DNA
and gene)
P3
(cloning)
P8
(DNA in helping
solve crime)
P4-7
(advantages and
disadvantages)
Structure of the passage
P2
(procedure)
Read the passage and find the paragraphs which describe:
1. when the structure of DNA was discovered
2. how to clone something
3. four possible reasons for cloning
4. the disadvantages of cloning
5. the research into DNA has helped solve crime
6. Cohen and Boyer discovered a procedure
P1
P3
P4-7
P4-7
P8
Fast reading
P2
Detailed reading
I. Para. 1 ---Para. 3
Time
Scientist
Discovery
1866
1953
1973
Mendel
Watson
and Crick
Cohen
and Boyer
both parent plants have influenced the ic make-up of the new plant
The structure of acid DNA
A procedure to use enzymes to unzip
the DNA, to cut out a sequence of genes and finally insert them into the host cell bine with its DNA