In general, one gene affects a single character. But many genes are known to affect more than one character. Such genes are called pleiotropic genes and the condition is called Pleiotropy. An example of a gene in human beings ...

Rieger Syndrome

Definition Rieger syndrome is a rare disorder characterized by absence and/or malformation of certain teeth, mild craniofacial (relating to the head and the face) abnormalities, and various eye abnormalities. The eye abnormalities, referred to as Rieger eye malformations, may be ...