pt. 1. What we know : the black box -- [ch.] 1. The black box -- pt. 2. What we don't know : opening the black box -- [ch.] 2 The debate : definitive proof that homosexuality is biological -- [ch.] 3. The debate : definitive proof that homosexuality is not biological -- [ch.] 4. How to look at a brain -- [ch.] 5. Biological archaeology -- [ch.] 6. Genetic grammar 101 : a crash course -- [ch.] 7. The gay gene : the discovery of Xq28 -- [ch.] 8. What does "genetic" mean? -- [ch.] 9. How genetic surgery can change homosexuality to heterosexuality -- [ch.] 11 The knowledge of good and evil -- Notes -- Glossary -- Index.
