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Posted On: 09/21/2021 3:03:17 AM
Post# of 155754
I might be wrong, but I think the word "predominant" for the delta 32 variant in northern Europeans is a little strong. A search produced this:
"Geneticists say that the CCR5 delta 32 mutation existed as many as 2,500 years ago, but back then it likely occurred in only 1 in 20,000 Europeans, as compared to 1 in 10 today. They believe that some viral disease provided the selection pressure needed to increase the frequency of the mutation."
I think that Iceland has actually mapped the DNA of a third of its population, so it should be possible to get a fairly accurate count there.
"Geneticists say that the CCR5 delta 32 mutation existed as many as 2,500 years ago, but back then it likely occurred in only 1 in 20,000 Europeans, as compared to 1 in 10 today. They believe that some viral disease provided the selection pressure needed to increase the frequency of the mutation."
I think that Iceland has actually mapped the DNA of a third of its population, so it should be possible to get a fairly accurate count there.
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