The Descent Of Love Darwin And The Theory Of Sexual Selection In American Fiction 1871 1926 May 2026

In The Descent of Man , Darwin introduced the concept of sexual selection as a driving force behind the evolution of species. He argued that, in addition to natural selection, which favors traits that enhance survival and adaptation, sexual selection favors traits that increase an individual’s chances of securing a mate and reproducing. These traits, often referred to as “secondary sexual characteristics,” can include physical features, behaviors, and cultural displays that signal an individual’s health, fertility, and suitability as a partner.

The 1920s saw a significant shift in American culture, as the country transitioned from a Victorian to a modern, post-World War I era. The rise of jazz, flappers, and consumer culture reflected a new era of liberation and freedom, but also created new social norms and expectations around love and relationships. F. Scott Fitzgerald’s The Great Gatsby (1925) is a quintessential novel of this era, exploring the tensions between old money and new wealth, as well as the decline of romantic love in the face of modernity. In The Descent of Man , Darwin introduced

Willa Cather’s My Ántonia (1918) is another example of a novel that engages with Darwin’s theory of sexual selection. The novel tells the story of Jim Burden, a young man who grows up on the Nebraska frontier, and his relationship with Ántonia, the daughter of a Bohemian immigrant family. Cather’s portrayal of Jim and Ántonia’s relationship reflects the ways in which love and desire are shaped by environmental and cultural factors, as well as the tensions between individual desire and social constraint. The 1920s saw a significant shift in American