Analysis of information sources in references of the Wikipedia article "Macro-haplogroup L" in English language version.
the presence of haplogroups N1 and J in Tanzania suggest "back" migration from the Middle East or Eurasia into eastern Africa, which has been inferred from previous studies of other populations in eastern Africa
As regards sub-Saharan Hgs (L1b, L2b, and L3b), the high frequency found in the southern regions of Zamora, 18.2% in Sayago and 8.1% in Bajo Duero, is comparable to that described for the South of Portugal
the presence of haplogroups N1 and J in Tanzania suggest "back" migration from the Middle East or Eurasia into eastern Africa, which has been inferred from previous studies of other populations in eastern Africa
As regards sub-Saharan Hgs (L1b, L2b, and L3b), the high frequency found in the southern regions of Zamora, 18.2% in Sayago and 8.1% in Bajo Duero, is comparable to that described for the South of Portugal