IN FROZEN, NEITHER OF THE PARENTS HAVE POWERS BUT ELSA IS BORN WITH THEM, MEANING THE POWERS ARE RECESSIVE. THIS MEANS THAT ANNA COULD HAVE ONE RECESSIVE TRAIT AS WELL. NOT MUCH IS KNOWN ABOUT KRISTOFF’S PARENTS, BUT HIS FASCINATION WITH ICE FROM A YOUNG AGE COULD STEM FROM HIM HAVING THE RECESSIVE TRAIT AS WELL. THE PARENTS OF ANNA ARE HETEROGENEOUS, AND IT’S POSSIBLE THAT ANNA AND KRISTOFF ARE BOTH HETEROGENEOUS TOO. ANNA AND KRISTOFF ARE GETTING MARRIED. CONSIDERING THIS: WATCH OUT FOR FROZEN 3