Endless Eyelashes
This is a rare genetic disorder where you have two rows of eyelashes. Whereby, the second row of eyelashes can include anywhere from a single lash or a few hairs to a full, complete set. Scientifically it's called Distichiasis.
Some Extra Toes
There is a genetic disorder that causes the condition in which an extra finger or toe is present on the hand or foot. Scientifically it is called Polydactyly. Polydactyly usually affects only one hand or foot rather than both. Some seek surgical correction while others decide to live with it.