“The ‘extra head’ may look like an ‘extra’ piece of information. But an informed evolutionist would not point to it as an example of how random changes can add new programs (the missing ingredient in evolutionary speculations of how microbes allegedly turned into microbiologists). This is because they know that it is the same information, split into two, and defectively expressed. Looking at such a creature should help us to understand the seriousness of the Genesis curse on creation, resulting from our first ancestor’s rebellion against his Maker—and hence the seriousness of sin, and the glory of salvation (John 3:16).”
Read more here: http://creation.com/mutant-non-ninja-turtle