Kyle XY | Jessi XX | ||
---|---|---|---|
A male product of scientists | A female product of scientists | Adam Baylin was the only living result of a scientific experiment to prolong gestation to increase brain development, he is the creator of Kyle. | Jessi began as a second Zzyzx experiment known as 781228 XX. When she was created, the way she was prepared and used at Zzyzx were not revealed. |