👉 In genetics, "endogenous" refers to a genetic trait that arises from an individual's own DNA. This means that this gene is passed down from parents to offspring in a way similar to how genes are inherited from one parent to another. For example, imagine if you have two siblings who both have blue eyes. Their eyes are inherited from their mother and dad, but they each have their own specific set of genes that determine their eye color. These genes are called "endogenous" because they
