Which is NOT a characteristic of ethnicity?

Genetic differences are not a characteristic of ethnicity. Ethnicity primarily involves shared cultural traits, such as language, customs, and traditions, which shape the identity of a group. It encompasses the social, historical, and cultural aspects that bring people together based on their shared heritage and experiences. While genetics can play a role in distinguishing populations, ethnicity itself is more closely tied to cultural factors rather than biological ones.

In contrast, common language, shared cultural practices, and shared traditions are all integral elements of what defines an ethnic group. These components help foster a sense of belonging and identity among members of the group. Thus, understanding and identifying ethnicity is more about cultural associations than about genetic differences.