Between XX and XY: Intersexuality and the Myth of Two Sexes by Gerald Callahan
English | July 1st, 2009 | ISBN: 1613736541, 1556527853 | 208 pages | EPUB | 1.55 MB
What makes someone a boy or a girl? Is it external genitalia, chromosomes, DNA, environment, or some combination of these factors? Not even doctors or scientists are entirely clear. What is clear is that sex is not girl/boy or XX/XY, switching between two poles like an on/off switch on a radio.