And since there are many genetic variants, and they have different such gradients, this means that if we determine a DNA sequence -- a genome from one individual -- we can quite accurately estimate where that person comes from, provided that its parents or grandparents haven't moved around too much.
I atès que hi ha moltes variants genètiques i tenen diferents gradients, vol dir que si determinem una seqüència d'ADN - un genoma individual - podem estimar amb precisió d'on ve una persona, atès que els seus pares o avis no s'han mogut massa.