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Biological sciences

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Y-STR haplotype diversity in distinct linguistic groups from East Timor

Article Abstract:

The Y-chromosome haplotype diversity in East Timor is characterized, and possible population structures based on linguistic and/or geographical information is tested using a set of 12 Y-chromosome-specific STRs. Genetic analysis reveals that the East Timor population is genetically structured, samples with some exceptions group well in terms of their language affinities, and the most genetically homogenous groups follow the broad ethnolinguistic classifications.

Indonesia, Analysis, Demographic aspects, East Timor, Population genetics, Anthropological linguistics, Clinical report

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Y-chromosome genetic variation in Rio de Janeiro population

Article Abstract:

The characterization of the male lineages present in the Rio de Janeiro population, the second most populated of the 26 Brazilian states, is presented. The vast majority of the existing Rio de Janeiro male gene pool is of European extraction, while the original Amerindian lineages are residual and much less frequent than the Sub-Saharan component resulting from the slave trade.

Brazil, Rio de Janeiro, Brazil (City), Genetic variation

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Islands inside an island: Reproductive isolates on Jerba Island

Article Abstract:

A study to see whether inbreeding in Arabs and Berbers marriages would be reflected in the differentiation between Berber and Arab communities is presented. Concerning mtDNA, the Berber group presented a greater Eurasian contribution and no U6 haplotypes were found whereas, the Arabs showed a larger contribution of-sub-Saharan lineages and the U6 haplogroup amounted to 10%.

Africa, Health aspects, Human population genetics, Reproduction (Biology), Reproduction, Berbers, Jerba Island

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