Scientists compared genes of current Africans and Europeans using 64 DNA samples from 4,000 populations . Study found the most common European genetic source in African-Americans and Barbadians is from the UK . The ancestors of Yoruba people provided the largest contribution of genes from Africa to modern Americans . The study also highlighted previously unidentified ancestry such as Basque genes present in South America .
Scientists compared genes of current Africans and Europeans using 4,000 DNA samples from 64 populations . Study found the most common European genetic source in African-Americans and Barbadians is from the UK . The ancestors of Yoruba people provided the largest contribution of genes from Africa to modern Americans . The study also highlighted previously unidentified ancestry such as Basque genes present in South America .