Self Test

Home > The Continuity of Life: Cellular Reproduction > Self Test

Self Test

1. When a cell divides, what must it pass on to its offspring? [Hint]

2. Which of the following statements about the chromosomes of prokaryotic and eukaryotic cells is true? [Hint]

3. A duplicated chromosome contains __________. [Hint]

4. Which of the following events occurs during the interphase portion of the eukaryotic cell cycle? [Hint]

5. Which of the following correctly lists the order of the stages during mitosis? [Hint]

6. During the process of cytokinesis in plants, __________. [Hint]

7. Which of the following is NOT a function of mitosis in a multicellular organism? [Hint]

8. A clone is __________. [Hint]

9. Alternate forms of a particular gene are called __________; they arise as a result of __________. [Hint]

10. Meiosis comes from a Greek word that means "to decrease." What decreases during the process of meiosis? [Hint]

11. During the process of meiosis, DNA is replicated __________, followed by __________ nuclear divisions. [Hint]

12. During meiosis I, __________ separate; during meiosis II, __________ separate. [Hint]

13. Genetic recombination (crossing over) produces __________. [Hint]

14. Sexual reproduction produces genetic diversity by __________. [Hint]

15. Imagine that you are looking at a eukaryotic cell in the microscope. When you examine the cell, you see that the nucleus is not present and that chromosomes are condensed and lined up independently in the center of the cell. What are the possible stages of division you might be observing in this cell? [Hint]

16. Imagine that you are looking at a eukaryotic cell in the microscope. When you examine the cell's nucleus, you see that the chromatin is spread uniformly through the nucleus—you cannot see chromosomes. Has the cell's DNA been replicated yet? Explain. [Hint]

17. Which of the following chemicals would be potentially useful for treating cancer? [Hint]

18. Mating a male donkey to a female horse produces mules. Horses have 64 chromosomes and donkeys have 62 chromosomes. How many chromosomes do mules have? Why are they sterile? [Hint]

19. Which of the following describes something that is unique to meiotic cell division? [Hint]

20. To what does the term haploid refer? [Hint]

21. During what part of the cell cycle are chromosomes duplicated? [Hint]

22. If a diploid cell replicates its DNA so that it now contains an amount of DNA equal to 4n, how does a haploid gamete get a 1n number of chromosomes and a 1n amount of DNA? [Hint]

23. What events are responsible for the genetic variability seen in meiosis? [Hint]

24. Prokaryotic cells divide by undergoing a process called . [Hint]

25. Eukaryotic cells undergo a cellular division process called . [Hint]

26. Gametes are produced by a special cellular division process called . [Hint]

27. During mitosis, sister chromosomes are connected to each other at the . [Hint]

28. During metaphase, the paired chromatids are connected to opposite poles of the cell with structures called spindle . [Hint]

29. are alternate forms of a given gene. [Hint]

30.
This image depicts the steps involved in binary fission. Label those portions indicated. [Hint]
For each item below, use the pull-down menu to select the letter that labels the correct part of the image.
The letters A through D appear on an image associated with this question.

plasma membrane

DNA

attachment site

cell wall

31.
Add the missing cell cycle labels to the diagram below. [Hint]
For each item below, use the pull-down menu to select the letter that labels the correct part of the image.
The letters A through D appear on an image associated with this question.

G₂ (growth)

G₁ (growth)

S (synthesis)

mitosis

32.
Identify the stages of mitosis depicted below. [Hint]
For each item below, use the pull-down menu to select the letter that labels the correct part of the image.
The letters A through G appear on an image associated with this question.

metaphase

late prophase

cytokinesis

telophase

interphase

anaphase

early prophase

33.
Mitosis differs from meiosis in some fundamental ways. Identify these differences by labeling the following diagram of meiosis. [Hint]
For each item below, use the pull-down menu to select the letter that labels the correct part of the image.
The letters A through I appear on an image associated with this question.

gametes

prophase I

telophase II

metaphase II

prophase II

metaphase I

anaphase I

anaphase II

telophase I

34.
Compare mitosis and meiosis by labeling the events below. [Hint]
For each item below, use the pull-down menu to select the letter that labels the correct part of the image.
The letters A through B appear on an image associated with this question.

mitosis

meiosis

35. Which of the following is a difference between sexual and asexual reproduction? [Hint]

36. The specific place on a chromosome where a gene resides is called a(n) ___________. [Hint]

37. Which of the following would be an advantage of sexual reproduction? [Hint]

38. What is the ultimate source of genetic variability in organisms? [Hint]

39. The two ends of a eukaryotic chromosome are called . [Hint]

40. After a chromosome is duplicated, it consists of two connected at the centromere. [Hint]

41. If the diploid chromosome number of an organism is 24, its haploid chromosome number must be . [Hint]

42. The phase of meiosis during which chromosomes condense, and homologous chromosomes pair up is called . [Hint]

43. The phase of meiosis during which sister chromatids separate and move apart is called . [Hint]

44. The phase of meiosis during which chromosomes are lined up individually at the cell's equator is called . [Hint]

45. At which stage of mitosis are chromosomes arranged along a plane at the midline of the cell?

46. A diploid cell contains in its nucleus

47. Synthesis of new DNA occurs during

48. Which statement is most correct?

49. When do homologous chromosomes pair up?

50. Curiously, there is no crossing over of any chromosome in the male fruit fly Drosophila, which has four pairs of chromosomes. How many different combinations of maternal vs. paternal chromosomes are possible in a male fruit fly’s sperm?

Answer choices in this exercise are randomized and will appear in a different order each time the page is loaded.

Chapter 11: The Continuity of Life: Cellular Reproduction

Self Test