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We identified recent gene flow between Europeans and Asians in most populations we studied, including East Asians and Northwestern Europeans, which are normally considered to be non-admixed populations.
In addition we quantitatively estimated the extent of this gene flow using two statistical approaches, and dated admixture events based on admixture linkage disequilibrium.
Some people collect globes because they often show the tracks and routes that explorers took as they learned about our planet.
1963 the Federation of Rhodesia and Nyasaland dissolves. Singapore independence 1966 - Botswana, Gambia, and Lesotho independent. Bangladesh independence 1972 - Ceylon changes to Sri Lanka 1973 - Bahamas independence 1974 - Guinea-Bissau independence. 1975 - Angola (formally Portuguese West Africa) and Mozambique independent.
Tanganyika and Zanzibar merge to form new country: Tanzania 1965 - Southern Rhodesia independent (later became Zimbabwe in 1979 or 1980).
This raises the question of whether genetic admixture occurred during the interaction between people from different regions, particularly between Europe and East Asia.
If there has been gene flow between populations, we can, in principle, estimate the time and magnitude of this gene flow by analyzing genomic data from modern human populations.