Talk:Mystery Girl/@comment-26723698-20160915234822/@comment-28750595-20161004122558

@  TerminatorMKII because dna. half his DNA comes From Greg and half comes from Rose ,specifically her gem, as that's were the gem equvilant to DNA is stored, there for he is half human and half gem.

Rose activly decided to make steven half and half, though she could of just had a regular human steven (which in that case would probaly be a Greg clone) and would of lived if she had done so.