Chapter1IntroductiontoGenetics

Chapter1测验

1、单选题:
‎The first complete DNA sequence of a non-viral, free-living organism was obtained for:‏
选项:
A: a bacterium in 1900.
B: a bacterium in 1945.
C: a bacterium in 1995.
D: humans in 1990.
E: humans in 2000.
答案: 【 a bacterium in 1995.

2、单选题:
‏Genetic information can be carried in which of the following biomolecules?‌
选项:
A: Proteins
B: DNA and not RNA
C: RNA and not DNA
D: Either DNA or RNA
答案: 【 Either DNA or RNA

3、单选题:
‌Which of the following species is considered a genetic model organism?‌‌‌
选项:
A: the plant, Linaria vulgaris
B: the deer mouse, Peromyscus maniculatus
C: the worm, Caenorhabditis elegans
D: the frog, Hyla chrysoscelis
E: the chimpanzee, Pan troglodytes
答案: 【 the worm, Caenorhabditis elegans

4、单选题:
‏Which of the following would serve least well as a model for understanding basic mechanisms of inheritance?‌
选项:
A: fruit flies
B: humans
C: yeast
D: mice
E: zebrafish
答案: 【 humans

5、单选题:
‎Which of the following scientists contributed significantly to the foundations of transmission genetics?‏
选项:
A: James Watson
B: Thomas Hunt Morgan 
C: John B. S. Haldane
D: Charles Darwin
答案: 【 Thomas Hunt Morgan 

6、单选题:
‌The contribution Charles Darwin made to genetics was to:‌
选项:
A: demonstrate the connection between Mendel’s principles of inheritance and evolution.
B: propose that evolution occurs by natural selection.
C: develop the theory of evolution, based on earlier theories of population genetics.
D: connect the fields of evolution and molecular genetics.
答案: 【 propose that evolution occurs by natural selection.

7、单选题:
‍The contribution of Gilbert and Sanger to modern genetics was to: ‍
选项:
A: develop the PCR technique. 
B: discover DNA in the nucleus of cells.
C: describe the structure of DNA.
D: show that genes were made of DNA.
E: develop a method for sequencing DNA.
答案: 【 develop a method for sequencing DNA.

8、判断题:
‌Humans first applied genetics to the domestication of plants and animals between approximately 10,000 and 12,000 years ago. ‌
选项:
A: 正确
B: 错误
答案: 【 正确

9、判断题:
‎ The theory of pangenesis states that all living organisms are composed of cells. ‎
选项:
A: 正确
B: 错误
答案: 【 错误

10、判断题:
‏Many human traits, such as skin and hair color, exhibit blending inheritance, in which genetic information is mixed and is not separated in future generations.  ‍
选项:
A: 正确
B: 错误
答案: 【 错误

11、判断题:
‎Bacteria and viruses can be used to study genes and inheritance, even though they are structurally and metabolically different from animal and plant cells.‏
选项:
A: 正确
B: 错误
答案: 【 正确

12、判断题:
‎Some viruses have RNA as their genetic information. ‌
选项:
A: 正确
B: 错误
答案: 【 正确

13、判断题:
‍Charles Darwin accurately described the laws of inheritance in his landmark book, On the Origin of Species.‍
选项:
A: 正确
B: 错误
答案: 【 正确

14、判断题:
‎Some phenotypes or traits, such as hair color, are determined by the information provided by more than a single gene. ‎
选项:
A: 正确
B: 错误
答案: 【 正确

15、判断题:
‍Evolution cannot occur without gene

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