This concept is known as biological determinism, which refers to the belief that human behavior and social traits are primarily determined by biological factors, such as genetics and heredity. When this belief is coupled with the idea that certain groups are inherently superior to others, it leads to biological racism or scientific racism.

Here's how it works:

* Biological determinism: This assumes that our genes dictate our intelligence, abilities, and even our social behavior.

* Superiority of certain groups: This belief then uses biological determinism to justify the notion that some racial or ethnic groups are naturally superior to others. This superiority can be based on perceived intelligence, physical abilities, or any other trait thought to be biologically determined.

Examples of biological racism:

* Eugenics: A movement that sought to improve the human race by controlling reproduction, often through forced sterilization of people deemed "unfit."

* Craniometry: The practice of measuring skulls to supposedly determine intelligence or other characteristics, used to justify racial hierarchies.

It's important to note:

* Scientific evidence overwhelmingly rejects biological determinism. Human behavior and social traits are complex and influenced by a multitude of factors, including genetics, environment, culture, and individual experiences.

* Biological racism is a harmful and unfounded ideology. It has been used to justify discrimination, oppression, and even genocide.

It's crucial to challenge these beliefs and promote a society based on equality and respect for all people.