September 15, 2009
"I was born twice: first, as a baby girl, on a remarkably smogless Detroit day in January of 1960; and then again, as a teenage boy, in an emergency room near Petoskey, Michigan, in August of 1974."
— Jeffrey Eugenides  (Middlesex )
Jeffrey Eugenides' novel Middlesex (2002) focuses on the chronicle of forty-one-year-old, hermaphroditic Calliope Stephanides, which presents her multigenerational Greek-American family and her struggle to establish a clear sense of self. After opening with the story of her grandparents, Desdemona and Lefty, and their subsequent union,
What makes you male or female?
►Now you are a judge in the olympic games, how do you decide?
Chromosomal sex → Gonadal sex → Hormonal sex → Morphological sex - - → Behavioral sex
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Diagram of Sex and Gender
►Fate of Genes 
Percentage of students scoring proficient on the FCAT
boys in coed classes: 37% scored proficient
girls in coed classes: 59% scored proficient
girls in single-sex classes: 75% scored proficient
boys in single-sex classes: 86% scored proficient.