What's wrong with the yellow-edged flower shell?

This is a genetic mutation. Yellow-edged turtle shells are generally black and yellow. If there is a flower shell, it is the genetic variation of the turtle that causes the shell to change color. Yellow-edged box turtle is a kind of box turtle belonging to Tortoise. Also known as yellow-edged box turtle, also known as Junshan golden turtle, golden head turtle, clapboard turtle, snake turtle, snake-eating turtle, snake-sipping turtle, mountain turtle and so on.