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young curly black haired mulatto girl reveals on old stairs
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Young Curly Black Haired Mulatto Girl Reveals On Old Stairs

In one recent genetic study of 800 Puerto Ricans, 61% had mitochondrial DNA (mtDNA) from an Amerindian female ancestor, 27% inherited mitochondrial DNA from a female African ancestor and 12% had mitochondrial DNA from a female European ancestor. Conversely, patrilineal input as indicated by the Y chromosome showed that 70% of Puerto Rican males in the sample have Y chromosome DNA from a male European ancestor, 20% inherited Y chromosome DNA from a male African ancestor and less than 10% inherited Y chromosome DNA from male Amerindian ancestor. As these tests measure only the DNA along the matrilineal and patrilineal lines of inheritance, they cannot tell with certainty what percentage of European or African ancestry someone has.
According to an autosomal DNA study conducted on a school in the poor periphery of Rio de Janeiro, the "pardos" (including mulattos) there were found to be on average over 80% European. "The results of the tests of genomic ancestry are quite different from the self made estimates of European ancestry", say the researchers. In general, the test results showed that European ancestry is far greater than the students thought it would be. The "pardos", for example, thought of themselves as 1/3 European, 1/3 African and 1/3 Amerindian before the tests. Along the same vein, it turned out that white students had overestimated their ratio of African and Amerindian genetic ancestry.

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Keywords:#young #curly #black #haired #mulatto #girl #reveals #old #stairs
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Date added:Oct 29, 2010
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