2. What do scientists want to discover about genetic mixing?
(a) Why cloning is more successful than genetic mixing.
(b) How to make genetic mixing more reliable.
(c) How to make genetic mixing affordable.
(d) Why genetic mixing is better than cloning oneself.

3. What is the continuous arms race that occurs between organisms?
(a) World War II.
(b) People will try to kill one another so that their genes may carry on.
(c) No one can catch up.
(d) Once an advantage is gained, the loser will adapt to negate the advantage.

4. What is the primary part in sexual reproduction?
(a) Outcrossing genes.
(b) Combining all genes.
(c) Killing genes that are not yours.
(d) Combining and outcrossing genes.

5. In which cultures are male babies especially prized?
(a) American.
(b) Chinese and Indian.
(c) Indian.
(d) Chinese.

6. What gender contains all cytoplasmic genes?
(a) Females.
(b) Hermaphrodites.
(c) Males.
(d) Males and Females.

7. Ever since _____________ in the late 19th century, scientists have understood that all life forms are a product of biological evolution.
(a) Russel Wallace.
(b) Charles Darwin.
(c) Richard Dawkins.
(d) Jean-Baptiste Lamarck.

8. What accounts for far more deaths than other predators or environmental occurrences?
(a) Killing ones own organisms.
(b) Parasites and diseases.
(c) Accidents.
(d) Death and destruction.

9. What are transposons?
(a) Out law genes.
(b) Diseases.
(c) Viruses.
(d) Weaker genes.

10. Pre- Darwinian thinkers such as _____________ believed that evolution was a process of individual adaptations that were later passed down to ancestors.
(a) Richard Dawkins.
(b) Charles Darwin.
(c) Russel Wallace.
(d) Jean-Baptiste Lamarck.

11. Although it becomes clear that sex is necessary to avoid parasites, what question remains?
(a) Why people enjoy sex.
(b) Why sex works the way it does.
(c) Whether or not sex is the best way to reproduce.
(d) How sex works.

12. What is the main focus of the novel?
(a) To understand the advances in same-sex reproduction.
(b) Parts of human nature are products of sexual selection.
(c) To compare sexual and asexual reproduction.
(d) To study asexual reproduction.

13. What type of civilization do the New Guinea tribes have?
(a) Scavengers.
(b) Hunters.
(c) Hunter gatherers.
(d) Democratic governments.

14. In Chapter 4, what story of tragedy does the author tell?
(a) The story of the fisherman.
(b) The story of the gazelle.
(c) The kangeroo story.
(d) The story of the salesman.

15. Lower class individuals tend to have _________.
(a) Less babies.
(b) Female babies.
(c) Male babies.
(d) More babies.