Can the word breed be used when talking about human?

Yes, the Word "breed" can be used when talking about humans, particularly in contexts related to genetics or ancestry. However, it is often considered more appropriate to use terms like "ethnic group," "culture," or "population" to describe human diversity. The term "breed" is more commonly associated with animals and can carry negative connotations when applied to humans. Hence, its usage in relation to humans is generally discouraged in favor of more sensitive language.