高中英语Module2DNA-thesecretoflife课件外研版选修9

look like
resemble
take after
Work in pairs and discuss the questions.
1.Who do you look like, your mother or your father? Explain how you resemble him / her.
Why did the discovery of DNA is very important?
The discovery of DNA has been called the most biological work of the last 100 years. It has already had and will continue to have an enormous influence on our lives. We have already experienced the benefits in many years.
Story A
DNA testing was made a standard procedure in criminal investigations.
Story B
Using a technology called genetic engineering, a couple had a highly intelligent, good – looking baby.
1.Something that is found in all living
things is a __c__e_l_l __.
2.A _t_w_i_n__ is one of two children born
at the same time to the some mother.
3._G_e__n_e_t_i_c_s_ is the study of genes.
INTRODUCTION
[Vocabulary and speaking]
Match the word and phrases in the box with their meanings.
1. to have similar physical features as someone else
2. to be similar to an older person in your family in appearance or personality
3. a formal word meaning to have similar physical features as someone else
2.Who do you take after in your personality?
Complete the sentences about the body with the words in the box.
cell
diseases
environment gender
geቤተ መጻሕፍቲ ባይዱetics identical twin
What will genetic engineering help scientists to do in the near future?
The new technology of genetic engineering means that scientists will soon be able to insert new genes into unborn babies, children or adults.
4.Some _d_i_s_e_a_s__e_s_ are inherited but
not all of them.
5. The _g_e_n_d__e_r of a child is
whether it is a boy or a girl.
6. Twins who are _i_d_e_n_t_ic_a__l have
Part 3 Do you think stories A—D in part 2 are true?
Stories A and D have actually happened many times. Stories B and C will become possible in the near future.
Part 1 Why did Watson and Crick say, “We have discovered the secret of life?” Because they had found the answer to one of the most important questions of biology--- how do living things reproduce themselves?
exactly the same genes.
7. The _e_n_v_ir_o_n__m_e__n_t as well as our
genes makes us who we are.
Work in pairs
Discuss which characteristics you have
inherited from your parents and which characteristics are
formed by your environment.
Use the words in the box.
eyesight eye color gene health height
intelligence weight personality
Read parts 1 and 2 of the passage and answer the questions.
Story C
Having been inserted an animal gene, Mark won all his races.
Story D
Having been tested that the unborn child would have a terrible, inherited illness, the couple decided to get rid of it.