Most complex human characteristics, such as personality and intelligence, are inherited via

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Complex human characteristics, such as personality and intelligence, are typically not controlled by a single gene pair or sex-linked inheritance. Rather, they are influenced by multiple genes interacting with each other and the environment, which is known as polygenic inheritance. This is why these traits often display a bell curve distribution, where most people fall in the middle range with fewer individuals at the extremes. Mutations can contribute to genetic variation, but they are not the sole cause of these complex traits.

Most Complex Human Characteristics, Such as Personality and Intelligence, Are