COMPREHENSION QUESTIONS

Answers to questions and problems preceded by an asterisk can be found at the end of the book.

Section 1.1

Question 1

*1.How did Hopi culture contribute to the high incidence of albinism among members of the Hopi tribe?

Question 2

2.Give at least three examples of the role of genetics in society today.

Question 3

3.Briefly explain why genetics is crucial to modern biology.

Question 4

4.List the three traditional subdisciplines of genetics and summarize what each covers.

Question 5

5.What are some characteristics of model genetic organisms that make them useful for genetic studies?

Section 1.2

Question 6

6.When and where did agriculture first arise? What role did genetics play in the development of the first domesticated plants and animals?

Question 7

7.Outline the concept of pangenesis and explain how it differs from the germ-plasm theory.

Question 8

8.What does the concept of the inheritance of acquired characteristics propose and how is it related to the notion of pangenesis?

Question 9

9.What is preformationism? What did it have to say about how traits are inherited?

Question 10

10.Define blending inheritance and contrast it with preformationism.

Question 11

11.How did developments in botany in the seventeenth and eighteenth centuries contribute to the rise of modern genetics?

Question 12

12.List some advances in genetics made in the twentieth century.

Question 13

13.Briefly explain the contribution that each of the following people made to the study of genetics.

  1. Matthias Schleiden and Theodor Schwann

  2. August Weismann

  3. Gregor Mendel

  4. James Watson and Francis Crick

  5. Kary Mullis

Section 1.3

Question 14

14.What are the two basic cell types (from a structural perspective) and how do they differ?

Question 15

15.Summarize the relations between genes, DNA, and chromosomes.

image For more questions that test your comprehension of the key chapter concepts, go to image for this chapter.