2022大学慕课答案 遗传学（英文）(华南农业大学) 最新大学MOOC满分章节测试答案

本答案对应课程为:点我自动跳转查看
本课程起止时间为:2020-03-02到2020-07-13
本篇答案更新状态:已完结

Chapter 1 Introduction to Genetics Chapter 1 测验

1、 问题: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、 问题: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、 问题: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、 问题: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、 问题: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、 问题: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、 问题: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、 问题: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、 问题: 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、 问题: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、 问题: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、 问题:Some viruses have RNA as their genetic information.
选项：
A:正确
B:错误
答案: 【正确】

13、 问题: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、 问题: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、 问题:Evolution cannot occur without genetic changes in populations.
选项：
A:正确
B:错误
答案: 【正确】

Chapter 2 Chromosomes and Cellular Reproduction Chapter 2 测验

1、 问题:A dividing eukaryotic cell is treated with a drug that inhibits the molecular motors associated with kinetochores. At which cell cycle stage would it stop?
选项：
A:G1
B:S
C:G2
D:M (anaphase)
E:M (telophase)
答案: 【M (anaphase)】

2、 问题:In eukaryotes, chromosomes do not contain:
选项：
A:ribosomes.
B:chromatin
C:proteins
D:histones
E:DNA
答案: 【ribosomes.】

3、 问题:In order to be functional, a eukaryotic chromosome requires all of the following except:
选项：
A:a centromere.
B:origins of replication.
C:a nucleoid.
D:telomeres.
答案: 【a nucleoid.】

4、 问题:What process is unique to plants?
选项：
A:meiosis
B:double fertilization
C:crossing over
D:haploid gametes
E:spermatogenesis
答案: 【double fertilization】

5、 问题:Suppose that a diploid cell contains 8 chromosomes (2n = 8). How many different combinations in the gametes are possible?
选项：
A:2
B:4
C:8
D:16
E:64
答案: 【16】

6、 问题:Which of the following statements is FALSE?
选项：
A:p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px ‘Times New Roman’}Errors in chromosome separation are rarely a problem for an organism.
B:p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px ‘Times New Roman’}Errors in chromosome separation can result in a miscarriage.
C:p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px ‘Times New Roman’}Errors in chromosome separation can result in cancer.
D:p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px ‘Times New Roman’}Errors in chromosome separation can result in a child with severe handicaps.
E:p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px ‘Times New Roman’}Errors in chromosome separation can cause numerous problems for an organism.
答案: 【p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px ‘Times New Roman’}Errors in chromosome separation are rarely a problem for an organism.】

7、 问题:Which of the following are NOT prokaryotes?
选项：
A:p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px ‘Times New Roman’}eubacteria
B:p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px ‘Times New Roman’}archaea
C:p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px ‘Times New Roman’}viruses
D:p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px ‘Times New Roman’}ancient bacteria
答案: 【p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px ‘Times New Roman’}viruses】

8、 问题:Which of the following statements is FALSE?
选项：
A:p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px ‘Times New Roman’}Generally, chromosomes of prokaryotes are circular.
B:p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px ‘Times New Roman’}Prokaryotes usually have a single molecule of DNA.
C:p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px ‘Times New Roman’}Generally, chromosomes of eukaryotes are circular.
D:p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px ‘Times New Roman’}Eukaryotes usually have multiple chromosomes.
E:p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px ‘Times New Roman’}Eukaryote chromosomes are usually linear.
答案: 【p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px ‘Times New Roman’}Generally, chromosomes of eukaryotes are circular.】

9、 问题:The attachment point on the chromosome for spindle microtubules is the:
选项：

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