COMPREHENSION QUESTIONS

Section 2.1

Question 1

1.What are some genetic differences between prokaryotic and eukaryotic cells?

Question 2

2.Why are the viruses that infect mammalian cells useful for studying the genetics of mammals?

Section 2.2

Question 3

3.List three fundamental events that must take place in cell reproduction.

Question 4

4.Name three essential structural elements of a functional eukaryotic chromosome and describe their functions.

Question 5

5.Sketch and identify four different types of chromosomes based on the position of the centromere.

Question 6

6.List the stages of interphase and the major events that take place in each stage.

Question 7

7.What are checkpoints? List some of the important checkpoints in the cell cycle.

Question 8

8.List the stages of mitosis and the major events that take place in each stage.

Question 9

9.What are the genetically important results of the cell cycle and mitosis?

Question 10

10.Why are the two cells produced by the cell cycle genetically identical?

Section 2.3

Question 11

11.What are the stages of meiosis, and what major events take place in each stage?

Question 12

12.What are the major results of meiosis?

Question 13

13.What two processes unique to meiosis are responsible for genetic variation? At what point in meiosis do these processes take place?

Question 14

14.List some similarities and differences between mitosis and meiosis. Which differences do you think are most important and why?

Question 15

15.Outline the processes of spermatogenesis and oogenesis in animals.

Question 16

16.Outline the processes of male and female gamete formation in plants.

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