We find person with dimples so beautiful and adorable.
Even some people say that a person having dimples on his cheeks is very lucky but do you know it is actually a genetic defect??
Dimples are caused by shortened facial muscles.
when a person smiles,the shorter muscle on the face pulls up the facial skin,which causes depression in the skin,named dimples.
Though it is a genetic defect,they are inherited and passed from one generation to the next.
A single dimple on one cheek is rare.