The 7 sexes [electronic resource] : biology of sex determination / Elof Axel Carlson.

Wild guesses in an era of scientific ignorance
The ancient world
Monotheistic religious interpretations
The descriptive embryology of male and female development
The discovery of the egg in higher eukaryotes
The discovery of sperm in higher eukaryotes
The discovery of sex hormones
Ploidy levels and sex determination
The discovery of sex chromosomes
The balance theory of sex determination
The discovery of sex in microorganisms
The history and interpretations of hermaphrodites and intersexes
Dosage compensation and the sex chromosomes
The discovery of human sex chromosome conditions
The seven sexes of humans
The identification and role of sex-determining genes
The history of homosexuality
The history of behavioral gender assignment
The evolution of sex determination
What does it mean to have an assigned sex?
The quest for a unified theory of sex, gender, and sexuality
Afterword
Appendix: Secondary literature and the relation of biology to sex and gender
Glossary.