එන්ගලන්ත ඈමරිකා කඩු සටනක් පටන් අරන් වගෙaww if brothers yes why would we need a DNA test for sisters? now you sound a bit into sexism. I guess you missed the point here being brothers or/and sister solely means the literary relationship not the biological relationship so in elakiri every single person is either a brother or a sister but it's solely a literary bond there is no actual bond or relationship.






