| http://www.w3.org/ns/prov#value | - Nickerson is one of more than 7,000 customers ? 95 percent of them African Americans ? who have used African Ancestry to test their DNA. Clients' samples are compared with a database of 25,000 DNA samples from 400 indigenous African groups collected over the past 12 years, mostly from west and central Africa, says Gina Paige, president and co-founder of the company.
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