The Unselfish Gene of the novel is a nod to Richard Dawkins' 1976 book, "The Selfish Gene". Among the concepts developed in Dawkins' book is a theory of how natural selection may favor self-sacrifice and other forms of altruism. The themes of altruism and small gene sets play an important role in plot and character development in The Unselfish Gene. The Unselfish Gene is what might be termed "semi-hard" science fiction. The technology described in the book is well within the limits of early 21st century technology. Some of it, such as "The Anita", an atomic-bomb powered heavy lifter space ship, was actually
Vestiges of the Natural History of Creation the hypothesis of Lamarck; but it seemed to him to proceed upon a vicious circle, and he dismissed it as wholly inadequate to account for the existence of animated species." The book quickly became a best-seller, and a sensation which was eagerly read in royal circles. Every afternoon for a period early in 1845, Prince Albert read it aloud to Queen Victoria as a suitable popular science book explaining the latest ideas from the continent. Abraham Lincoln is reported to have read the book and been "deeply impressed with the notion of the so-called 'universal law' – evolution." It was