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…showed last 75 words of 937 total…segment of a society, there are exceptions: blacks in South Africa, for example. The absolute numbers of minorities are increasing and, within a century, minorities, taken together, may form a majority. Ethnicity is a shared cultural heritage. While race is a biological concept, ethnicity is a cultural one. However, the two overlap. Ethnic characteristics are sometimes incorrectly believed to be racial, but while ethnicity is subject to modification over time, racial identity persists over generations.