I originally cultivated an interest in genetics in high school freshman biology, a course which introduced me to Gregor Mendel’s experimentation with cross breeding pea plants, Punnett squares, and the genetics of blood types, all at the hands of an overzealous teacher who probably would have been better off teaching at the collegiate level (I’m looking at you, Mr. Rickard!!). Although Mr. R pushed his students to our academic and personal limits, he became a favorite teacher of mine, and one day about a year after graduation when I was visiting campus, I saw The Seven Daughters of Eve by Bryan Sykes sitting on his desk. Mr. R told me about the book’s premise and recommended it to me way back then, but it was only earlier this year that I finally purchased it and managed to cross it off my list.
Sykes is an Emeritus Professor of Human Genetics at the University of Oxford, and he establishes his credibility with the reader from page one, when he explains his involvement in finding verifiable living relatives of Otzi the Iceman, a preserved human male found in the Italian Alps who died c. 3300 BCE (more information available here). From this astonishing introduction, Sykes rapidly moves on to introduce Seven Daughters’ main thesis — namely, that all humans of European descent alive today are descended from only seven ancient women who lend the book its title.
To back up his thesis, Sykes spends a significant portion of Seven Daughters explaining the background of research in the field of human genetics, beginning with very basic information such as the function of mitochondria in the cell. Although a lot of the facts in this section were disappointingly “old hat” to me, I did enjoy reading about the way that Sykes and his research team were able to apply this information as knowledge about genetics expanded. For example, the scientists were able to track genetic variation in the mitochondrial DNA of Polynesians and Pacific Islanders to definitely prove that that region of the world had been colonized from mainland Asia, and not from the Americas as had been previously claimed. Approximately the final third of the book is devoted to fictionalized accounts of the lives of the “Seven Daughters,” whom Sykes has nicknamed, as can be best determined based on available genetic and anthropological data.
I very much enjoyed The Seven Daughters of Eve, but I will say that it may not be a great read for someone who is not scientifically-minded or who does not have a desire to take a deep dive into human genetics. Although the book is not dry, per se, it does dish out a ton of information in a condensed amount of space, and readers looking for something a bit lighter may be disappointed. That being said, I was very happy with the book and will be on the lookout for other works by Sykes next time I am in the mood to expand my horizons within this subject area.