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You should start testing downstream SNP's of J1, I already came pretty far (e-cts12227) and today I've purchased a full genome sequence of Dante labs (very cheap, 150 euros) and it allows you to upload your BAM file to Yfull). This is the only way to certainly know where your paternal ancestry came from, the branch you'll end up in will reveal if it's clustered with Spaniards or not.
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