4.What characteristic do fossil bones have to make them susceptible to be contaminated with contemporary DNA when they are washed?
5.What could be better understood when conservation treatments are improved?
6.The passage mentioned several animal species studied by researchers.How many of them are mentioned?
Questions 7-11
Do the following statements agree with the information given in the passage? Please write TRUE if the statement agrees with the writer FALSE if the statement does not agree with the writer NOT GIVEN if there is no information about this in the passage.
7.In their paper published in the Proceedings of the National Academy of Sciences,Geigl and her colleagues have shown what conservation practices should be followed to preserve ancient DNA.
8.The fossil bones that Geigl and her colleagues studied are all from the same aurochs.
9.Geneticists dont have to work on site.
10.Only newly excavated fossil bones using new conservation methods suggested by Geigl and her colleagues contain ancient DNA.
11.Paabo is still worried about the potential problems caused by treatments of fossils in traditional way.
Questions 12-13
Complete the following the statements by choosing letter A-D for each answer.
12.This information in paragraph 3 indicates:
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