On: Friends are as genetically similar as fourth cousi...

[qq66]

The genes that you get from your ethnicity are a small fraction of your overall genome. There are tons of other genes that affect things like your height, your interest in music, etc, that could strongly affect your friend selection.

[astazangasta → qq66]

And I got those in some other way than my ancestry...?

[popmystack → qq66]

I'm not sure you understand the whole genetics thing.