Với mong muốn giúp các bạn đạt kết quả cao trong kì thi, đã sưu tầm và chọn lọc gửi đến các bạn IELTS Academic Reading Sample 156 - Population movements and genetics. Mời các bạn cùng tham khảo! | You should spend about 20 minutes on Questions 14-26. which are based on Reading Passage 156 on the following pages. Questions 14-19 Reading Passage 156 has seven sections A-G. Choose the correct headings for sections A-F from the list of headings below. Write the correct number i-x in boxes 14-19 on your answer sheet. ______________________________ List of Headings i The results of the research into blood-variants ii Dental evidence iii Greenberg s analysis of the dental and linguistic evidence iv Developments in the methods used to study early population movements v Indian migration from Canada to the . vi Further genetic evidence relating to the three-wave theory vii Long-standing questions about prehistoric migration to America viii Conflicting views of the three-wave theory based on non-genetic Evidence ix Questions about the causes of prehistoric migration to America x How analysis of blood-variants measures the closeness of the relationship between different populations _______________________________ 14 Section A 15 Section B 16 Section C 17 Section D 18 Section E 19 Section F Example Answer Section G viii 1 ZIM ACADEMY Room 2501 Ocean Group Building 19 Nguyen Trai Thanh Xuan Dist Hanoi Population movements and genetics A Study of the origins and distribution of hum on populations used to be based on archaeological and fossil evidence. A number of techniques developed since the 1950s however have placed the study of these subjects on a sounder and more objective footing. The best information on early population movements is now being obtained from the archaeology of the living body the clues to be found in genetic material. B Recent work on the problem of when people first entered the Americas is an example of the value of these new techniques. North-east Asia and Siberia have long been accepted as the launching ground for the first human colonisers of the New World1. But was there one major
