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Thread: Costa Rica Last DNA Study (2018)

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    Default Costa Rica Last DNA Study (2018)

    The study is divided in; People from the Central Valley: 66% european, 24% native american, 10% SSA.

    Guanacaste People: 43% european, 29% native american and 28% SSA.

    Costarican native americans: 77% native american, 18% european and 5% SSA.

    Nicaraguans: 43% european, 41% native american and 16% SSA.



    https://www.ncbi.nlm.nih.gov/pubmed/29687625

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    Cool study.
    Sounds very reliable.
    I just only find the SSA % higher than I would expected, but well...

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    Quote Originally Posted by Vascontelo View Post
    The study is divided in; People from the Central Valley: 66% european, 24% native american, 10% SSA.

    Guanacaste People: 43% european, 29% native american and 28% SSA.

    Costarican native americans: 77% native american, 18% european and 5% SSA.

    Nicaraguans: 43% european, 41% native american and 16% SSA.



    https://www.ncbi.nlm.nih.gov/pubmed/29687625
    Thanks. It´sad that they don´t pick people of Limón as whole(even though they pick the pure black-ones)and Puntarenas(that is a completely mistery). Central Valley, Nicaragua and Guanacaste are accurate and they fit with other genetic studies.
    Last edited by CostaRicaBall; 02-17-2019 at 03:42 AM.

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    Quote Originally Posted by Mr. Wog View Post
    Cool study.
    Sounds very reliable.
    I just only find the SSA % higher than I would expected, but well...
    Hmm at this point at least in Central Valley, the SSA component has increased in phenotypes as well. Migration of Nicaragua, Guanacaste and Limón are turning the it in a more tri-racial place. Tri-racials with recent predominantly black background are not the 1/5 of the population BUT are not unfrequently at all. I was in public high school of Desamparados the past year and tri-racial with mulato looking(someone with harnizo/castizo and black/mulato parents) are for 1 to 4 in a class of 30 students. Less than people of light brown hair, but not uncommon.

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    Quote Originally Posted by CostaRicaBall View Post
    Hmm at this point at least in Central Valley, the SSA component has increased in phenotypes as well. Migration of Nicaragua, Guanacaste and Limón are turning the it in a more tri-racial place. Tri-racials with recent predominantly black background are not the 1/5 of the population BUT are not unfrequently at all. I was in public high school of Desamparados the past year and tri-racial with mulato looking(someone with harnizo/castizo and black/mulato parents) are for 1 to 4 in a class of 30 students. Less than people of light brown hair, but not uncommon.
    Sounds logical. Thank you for the explanation.
    Indeed, I think that originally the SSA average of the bulk of the people from the Central Valley would have been around 2 to 4%, even with some individuals scoring 1% or almost nothing...
    But of course, immigration changed many things.

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    I was thinking something very positive.
    The value 66% Euro of costa-rican average mentioned in this last exam sounds very accurate.
    And it's really huge the similarity with the samples collected by Vascontelo and graphed by Argentano:



    They show us that the bulk of costa-rican population is located in 60-70% Euro group, followed by 70-80%, and in third place by 50-60%.
    But for sure it seems very coincident with that 66%, so the study seems totally reliable and Vascontelo and Argentano made an excellent job collecting and organizing the other samples.
    All is working as a swiss watch. Congrats!

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    I always thought Costa Rica was at least 60% euro.

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    Quote Originally Posted by Tenma de Pegasus View Post
    I always thought Costa Rica was at least 60% euro.
    The Central Valley(four of the seven province) in which stores the 65% of country´s population, yes. But the rest of the country no. Guanacaste(354,154 habitants of 4.7M according to the census of 2011) and Limón(386,862 habitants of 4.7M according to census of 2011) are 40%-47% euro on average and Puntarenas(410,929 habitants of 4.7M according to census of 2011) is 43-50% euro. Take in mind that Costa Rica has between 8-16%(7.5% of 4.7M according to census of 2011) of their population as nicaraguan inmigrants and at least a half of them are in Central Valley. Nicaraguans are 43% euro.

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    Why include nicaraguans in this? imagine including pakistanis in a paper on english genetics

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    Revisando denuevo este post pienso que podría estudiar el femotipo de los guanacastecos, tal los ticos más parecido al promedio panameño, limón es parecida a Azuero con más extremos SSA y Puntaarenas a la región occidental pero en este estudio Guanacaste sale parecida a mi estudio de kit de gedmatch de Panama
    A favor de la Unión del Caribe Hispano: Cuba, República Dominicana, Puerto Rico y Panamá

    Mi mapa de Ancestros hace 4500 años atras


    Como buen panameño tengo: genetica española, aborigen guanche, judia sefardita, amerindia y negra lo unico exotico
    es el asiatico oriental debido a un bisabuelo chino

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