english: On the other hand, there is a difference between those fraternal twins and the siblings, suggesting that there are common exposures for those fraternal twins that may not be shared as commonly with siblings alone.
non_english: S druge strane, ima razlike između dvojajčanih blizanaca i obične braće. Postoji zajednička izloženost kod dvojajčanih blizanaca koja nije uobičajena kod obične braće.