Jonella held the stone to her fat, double-chin ... and started to say something ...
"Carol, ah wish you wuz mah real momma, den you understand why Tyrone be da father of mah babies." The stone glowed, granting her wish. Her eyes went wide. Why did she just wish that? For some reason, she had this overpowering desire to make a wish and at the time, she was thinking how much better it would be if Carol was her real mother ... and then she spoke her thoughts out loud, making it her wish.
After the stone glowed, reality spun around both of them. When it was done, both Carol and Jonella knew that a lot had changed, because they both heard the wish, so it was understandable when Carol began to freak out over the changes to her body. Jonella obviously couldn't change back to being white, because of the wishes that Tyrone made, so Carol had to be the one to change instead, becoming ...