...Norwegian Y chromosomes displaying EU 7 and EU18 are similar to those observed on the analogous Y chromosomes found in Central and Western Europe.7 The analysis of the pairwise distances calculated either taking into account the molecular distances among haplotypesor leaving them aside (Fst and Fst, respectively34) indicateda close affinity of Norwegians with Germans and otherCentral European populations (Czechs and Croatians)...
The present German gene pool shows a high frequencyof Eu7 and Eu18 haplotypes. These haplotypes, whichaccount for about 75% of the Norwegian Y chromosomepool, are then likely to have been brought to Norway bythosegroupswhoalsobroughttheIndo-Europeanlanguages and the agriculture. However, at present, it isnot possible to evaluate how much this migration impactedthe Norwegian gene pool. First, because it is not possible todistinguish between lineages brought in the late glacialtime and those brought 5 – 6000 years ago. In addition,non-random mating phenomena may also play a role. Itis possible that these cultures were composed of a subsetof elite males,21who reduced the reproductive success ofother males and then the Y chromosome may emphasisethe real genetic contributions of the central Europeanmigration to Norway.
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