People from Denmark are genetically similar to each other no matter which part of the country they come from, report researchers in the journal Genetics, a publication of the Genetics Society of America. Eight hundred Danish high school students contributed genetic material to the Where Are You From? project, and the data were used to decode population-wide patterns of genetic variation. Although there were subtle traces of the impact of Danish history on genetic similarity between different regions, the study revealed that, in genetic terms and disregarding recent migration in the last two generations, Denmark has a relatively homogeneous population, and people have mixed freely between different parts of the country.
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