Evolution and Human Sexuality

Evolution is defined as the change in frequency of certain traits across generations. The accumulation of new traits may lead to new characteristics or even new species over time. This means that, with time, enough changes can lead to the formation of a new species. Evolution is a continuous, extremely gradual process that has created…

The Biology of Reproduction

Every organism must reproduce (create offspring) in order to pass a part of themselves on into future generations. Depending on the organism, it can either reproduce using sexual or asexual reproduction, which both involve cell division. The parental traits of sexually reproducing organisms will also mix to form a unique combination in the offspring, and…

Evolutionary Reasons for Incest Taboos

Why do Incest Taboos Exist? Incest is defined as sexual relations occurring between people so closely related that they are forbidden by law to marry each other.1 Throughout history, human societies┬áhave demonstrated an aversion towards incest. Even those living in societies without explicit legal systems exhibit a negative reaction to the idea of incest. The…