原版英语RAZ 教案(Z) Genetics at Work_CQ.pdf

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1、 Learning AZ All rights reserved.www.readinga-Quick CheckLEVELInstructions:Read each question carefully and choose the best answer.Name Date Quick Check continued on following pageZ Z1.A group of living things that is physically similar and can reproduce is called a.A herdB species C geneD habitat2.

2、Which of the following is an example of successful animal hybridization?A mulesB pandasC cheetahsD sheep3.What is the effect of zoos not conducting genetic research?A People will no longer visit zoos.B Habitats for rare animals will increase.C Endangered species will die out.D Rare animals will stay

3、 healthy and alive in the wild.4.What is genetics?A the study of plants and animalsB the study of how living things pass on traitsC the study of how crimes can be solved using scienceD the study of ways to create new types of animals5.Why do law enforcement agencies want to build databases of DNA?A

4、to help accurately identify criminalsB to help keep fingerprinting records organizedC to help solve crimes that occurred before 1985D to help keep evidence from becoming contaminatedGenetics at Work Learning AZ All rights reserved.www.readinga-Quick Check(continued)LEVELName Date Quick Check continu

5、ed on following pageZ ZGenetics at Work6.Researchers are using the technique of when they attempt to reproduce tomatoes for large size and early ripening ability.A genetic diversityB captive breedingC selective breedingD DNA fingerprinting7.How are fingerprints and DNA similar?A Both are difficult t

6、o find.B Both are unique to each individual.C Both are needed to solve a crime.D Both are identical for members of the same family.8.Why are some scientists concerned about the effect of genetically modified foods?A Genetically modified foods may not be able to provide more nutrition.B Genetically m

7、odified foods may become too expensive for people to buy them.C Scientists cannot predict how foreign genes will react in an organism.D Genetically modified foods may not be available in all countries.9.Breeding in captivity is considered to be truly successful when.A animals reproduce in an environ

8、ment where they are protectedB animals can no longer reproduce C animals reproduce on their own once released into the wildD animals reproduce with the help of scientists and animal researchers Learning AZ All rights reserved.www.readinga-Quick Check(continued)LEVELName Date Z ZGenetics at Work10.Wh

9、at is the authors purpose in writing Genetics at Work?A to inform the reader about job opportunities involving geneticsB to inform the reader about how to breed endangered animalsC to explain the effect of genetics on plants and animalsD to explain how scientists use genetics to create better food 1

10、1.Extended Response:What are the benefits of selective breeding?What are the problems?Use details from the book to support your response.12.Extended Response:In what ways does the field of genetics offer many job opportunities?Learning AZ All rights reserved.www.readinga-Quick Check Answer SheetLEVE

11、LZ ZGenetics at Work 1.B Vocabulary 2.A Main Idea and Details 3.C Cause and Effect 4.B Vocabulary 5.A Cause and Effect 6.C Vocabulary 7.B Compare and Contrast 8.C Main Idea and Details 9.C Main Idea and Details10.A Authors Purpose 11.Answers will vary but should include the following information:Ben

12、efits:plants that grow faster,animals that produce more,and meat that is low in fat.Problems:traits will be lost forever,a species could be wiped out by a virus,and scientists cannot predict how foreign genes will react.12.Answers will vary but should include the fact that the field of genetics is ever-growing and is a part of farming,medicine,law enforcement,and so on.Students should note that any profession among these fields includes the study and understanding of genetics.Main Comprehension Skill:Main Idea and Details