Are ancestry tests just complete nonsense?

[AshkeNazi]

if I was an eighth asian one of my great grandparents would have to be fully asian, or something similarly stupid.

one of your great grandparents was a cuckold then

 

[basil]

yes? i thought this was common knowledge?

 

[Fagon]

one of your great grandparents was a cuckold then

None of my grandparents are hapsd either.