1、本网站免费注册后即可以下载，点击开通VIP会员可无限免费下载！
2、资料一般为word或PPT文档。建议使用IE9以上浏览器或360、谷歌、火狐浏览器浏览本站。
3、有任何下载问题，请联系微信客服。
扫描下方二维码，添加微信客服
选修9《Reading and vocabulary》精品PPT课件优质课下载
Because they discovered DNA and understood the structure of DNA
Because it has such a big influence on our lives.
Look at this video and see how genes are able to reproduce themselves
Read Part 2 of the passage and answer the questions
Do you think stories A-D in Part 2 are true?
Story A is true
DNA test
Story D is true
Conclusion:DNA technology can benefit us
1.Policemen can confirm the criminal, When ________ the DNA from victim’s cells _____ the DNA of people they had questioned.
2.Because now the technology of DNA can help us know whether the unborn baby has an inherited illness in advance
comparing
with
1. But when he committed the murder, Waters left some of his cells on his victim.
What were scientists able to do as a result?
2. He’s a world champion again…(story C) Why doesn’t Mark deserve to be a world champion?
3..… hospital tests showed that her child would have this illness. Why did Clara have hospital tests?
Match the DNA in the cells to the DNA of the suspect.
To find out whether their unborn child had ___________________.
Because he is not a “______” champion.
natural
the family’s inherited illness
1. What will genetic engineering help scientists do in the near future?
Read Part 3 of the passage and
answer the questions.