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Lesson 29 赤道九年制寄宿学校 赵会艳 Let s enjoy some photos! Lets talk! 1.Why do you look like this? Because of DNA . 2.What is DNA ? DNA is the blueprint of life. 3.What is a blueprint? (Paragraph 1) 4.Which is more complex, building living thing or building a house? DNA is fantastic! Do you know them? ---They are twins . They are twins , too. Except for some twins, every living thing has its own unique DNA. Some health problems can be cause by problems in your DNA . Scientists can look for these problems and , sometimes , help you before you become sick . In the future , scientists might be able to change your DNA . There are copies of your DNA in every part of your body.For example, your finger has the same DNA as your hair. Who is related to you ? Read and Know! Your DNA comes from your parents. You have your own unique DNA , but it repeats patterns from your parents DNA . From your DNA , scientists can identify not only you ,but also people who are related to you , Your parents and grandparents are related to you , and you have their DNA . When you have a grandson or granddaughter, he or she will have your DNA . In a word. You DNA has billions of instructions that explain that why you are the way you are. Its one of the most amazing things on the earth! -----This is the story of you
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