| − | {{cquote|After reading books by [[Charles Darwin]] and [[Richard Lewontin]], Hamer (a yeast geneticist at the [[National Cancer Institute]]) discovered that little is known about behavioral genetics in humans. He was intrigued enough to change his research direction. This book is a personalized account of the luck, pleasures, and pitfalls involved in [[scientific investigation]]-from the germ of an idea about genetic markers for homosexuality to results suggesting that the [[X-chromosome]] carries a [[marker]] for male homosexuality and speculation on the evolutionary and physiological mechanisms involved. Hamer's research included an intimate exploration of the development of [[homosexual behavior]], family histories, and, finally, careful statistical and molecular analysis.<ref name="amazon"/>}} | + | {{cquote|After reading books by [[Charles Darwin]] and [[Richard Lewontin]], Hamer (a yeast geneticist at the [[National Cancer Institute]]) discovered that little is known about [[behavioral genetics]] in humans. He was intrigued enough to change his research direction. This book is a personalized account of the luck, pleasures, and pitfalls involved in [[scientific investigation]]-from the germ of an idea about [[genetic marker]]s for homosexuality to results suggesting that the [[X-chromosome]] carries a marker for male homosexuality and speculation on the evolutionary and physiological mechanisms involved. Hamer's research included an intimate exploration of the development of [[homosexual behavior]], family histories, and, finally, careful statistical and molecular analysis.<ref name="amazon"/>}} |