Y yaredndoya New Member Joined Jun 18, 2013 Posts 1 Reaction score 0 Jul 30, 2013 #1 is tongue rolling a genetic trait?
F Flammable JF-Expert Member Joined May 1, 2013 Posts 872 Reaction score 103 Jul 31, 2013 #2 Thts genetic trait
Gorgeousmimi JF-Expert Member Joined Jun 21, 2010 Posts 9,296 Reaction score 7,683 Aug 1, 2013 #3 It is genetic..I can`t rolle my tongue but my sister can :smile-big:
Kongosho JF-Expert Member Joined Mar 21, 2011 Posts 35,991 Reaction score 24,211 Aug 1, 2013 #4 Unataka na wewe? I can roll, remove, round round, rudisha my toungue. Changamka, waweza pata mtoto
Gaijin JF-Expert Member Joined Aug 21, 2007 Posts 11,812 Reaction score 5,298 Aug 1, 2013 #5 Is nail biting a genetic trait?