It Is Convenient to Have Two Sexes, But... is a thought-provoking collection of 10 essays exploring the complexities of human sex and gender from a genetic perspective. Through detailed examinations of rare genetic conditions and intersex variations, the book challenges traditional binary views of sex and gender, revealing the rich diversity that exists in human biology. Each essay delves into one of the conditions that demonstrate the complexity of sex determination and development, examining both the scientific underpinnings and the social implications. From Turner Syndrome to Intersex variations, the book highlights how genetics, hormones, and development can lead to a spectrum of outcomes that go beyond the conventional male-female dichotomy. The essays provide a comprehensive exploration of genetic disorders like Klinefelter Syndrome, Androgen Insensitivity Syndrome, and Mayer-Rokitansky-Küster-Hauser Syndrome, offering insight into how individuals with these conditions experience the world and navigate identity, biology, and society. Interwoven with these scientific discussions are considerations of social, ethical, and personal questions about gender identity, medical intervention, and human rights. By challenging the simplicity of the binary concept of sex, It Is Convenient to Have Two Sexes, But... encourages readers to reconsider how we define and understand sex and gender in a world that is far more complex than previously imagined. This book is essential reading for anyone interested in genetics, gender studies, and the evolving conversation about identity in the 21st century.