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I've always wondered this. Since without your Y DNA you wouldn't be a boy/man to begin with lol.
Are some physical/mental traits linked to certain mutations and SNPs perhaps?
Is I1/I2 men being taller simply a coincidence or is it tied to their Haplogroup and their respective mutations?
Or is it something else.
Anyway.. anyone who's more acquainted with this stuff can they give me a legit answer, as to whether Y-DNA Haplogroups influence looks or behaviour to some degree or not?
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