Deoxy

Deoxy and her twin brother Ribo have the ability to see any pony's genetic makeup in front of them, and can pick out any mutations and diseases that could come about from them easily. Deoxy is short for Deoxyribonucleic Acid, she was named for DNA, while her brother was named for RNA. She is a lot more social than her brother, and it slightly shorter than he is. Her left eye is blue and her right eye is yellow, the opposite of her brother's eyes.