The Cheating Gene

2. A social division in a traditional society consisting of families or communities linked by social, economic, religious, or blood ties.
4. Relating to deep inward feelings rather than to the intellect; a "gut" reaction.
6. Dishonest or fraudulent conduct by those in power, typically involving bribery.
7. The appointment of friends and associates to positions of authority, without proper regard to their qualifications.
11. The quality of being honest and having strong moral principles; moral uprightness.
12. The state of being not influenced by personal feelings; often used to describe fair justice.
13. A distinct period or stage in a process of change or forming part of something's development (often used in biology).
15. A vital importance; a crucial command that must be obeyed.
19. A system of government in which most of the important decisions are made by state officials rather than by elected representatives.
20. The practice of people with power or influence favoring relatives or friends, especially by giving them jobs.

1. A sudden, usually temporary malfunction or irregularity of equipment; a small error.
3. The theory that things evolve over time through natural selection.
5. Altruism The practice of exchanging things with others for mutual benefit; "you scratch my back..."
8. A plan or scheme, especially one used to outwit an opponent or achieve an end.
9. Dissonance Mental discomfort experienced by a person who holds two or more contradictory beliefs or values.
10. The action of mimicking someone or something, often to deceive.
14. Based on, concerned with, or verifiable by observation or experience rather than theory or pure logic.
16. Number The cognitive limit to the number of people with whom one can maintain stable social relationships (approx. 150).
17. A temporary structure used to support a building; metaphorically, something that supports a developing structure/idea.
18. A sum of money or other inducement offered or given in this way.